Cognitive Development in Adolescence

What you’ll learn to do: describe changes in cognitive development and moral reasoning during adolescence

Group of teens looking at and reading off of scenario cards as part of a training program

Here we learn about adolescent cognitive development. In adolescence, changes in the brain interact with experience, knowledge, and social demands and produce rapid cognitive growth. The changes in how adolescents think, reason, and understand can be even more dramatic than their obvious physical changes. This stage of cognitive development, termed by Piaget as the formal operational stage, marks a movement from the ability to think and reason logically only about concrete, visible events to an ability to also think logically about abstract concepts.

Adolescents are now able to analyze situations logically in terms of cause and effect and to entertain hypothetical situations and entertain what-if possibilities about the world. This higher-level thinking allows them to think about the future, evaluate alternatives, and set personal goals. Although there are marked individual differences in cognitive development among teens, these new capacities allow adolescents to engage in the kind of introspection and mature decision making that was previously beyond their cognitive capacity.

Learning Outcomes

  • Explain Piaget’s theory on formal operational thought
  • Describe cognitive abilities and changes during adolescence
  • Describe the role of secondary education in adolescent development
  • Describe moral development during adolescence

Cognitive Development During Adolescence

three boys look at a note together
Figure 1. Adolescents practice their developing abstract and hypothetical thinking skills, coming up with alternative interpretations of information.

Adolescence is a time of rapid cognitive development. Biological changes in brain structure and connectivity in the brain interact with increased experience, knowledge, and changing social demands to produce rapid cognitive growth. These changes generally begin at puberty or shortly thereafter, and some skills continue to develop as an adolescent ages. Development of executive functions, or cognitive skills that enable the control and coordination of thoughts and behavior, are generally associated with the prefrontal cortex area of the brain. The thoughts, ideas, and concepts developed at this period of life greatly influence one’s future life and play a major role in character and personality formation.

Perspectives and Advancements in Adolescent Thinking

There are two perspectives on adolescent thinking: constructivist and information-processing. The constructivist perspective, based on the work of Piaget, takes a quantitative, stage-theory approach. This view hypothesizes that adolescents’ cognitive improvement is relatively sudden and drastic. The information-processing perspective derives from the study of artificial intelligence and explains cognitive development in terms of the growth of specific components of the overall process of thinking.

Improvements in basic thinking abilities generally occur in five areas during adolescence:

  • Attention: Improvements are seen in selective attention (the process by which one focuses on one stimulus while tuning out another), as well as divided attention (the ability to pay attention to two or more stimuli at the same time).
  • Memory: Improvements are seen in working memory and long-term memory.
  • Processing Speed: Adolescents think more quickly than children. Processing speed improves sharply between age five and middle adolescence, levels off around age 15, and does not appear to change between late adolescence and adulthood.
  • Organization: Adolescents are more aware of their own thought processes and can use mnemonic devices and other strategies to think and remember information more efficiently.
  • Metacognition: Adolescents can think about thinking itself. This often involves monitoring one’s own cognitive activity during the thinking process. Metacognition provides the ability to plan ahead, see the future consequences of an action, and provide alternative explanations of events.

Formal Operational Thought

In the last of the Piagetian stages, a child becomes able to reason not only about tangible objects and events, but also about hypothetical or abstract ones. Hence it has the name formal operational stage—the period when the individual can “operate” on “forms” or representations. This allows an individual to think and reason with a wider perspective. This stage of cognitive development, termed by Piaget as formal operational thought, marks a movement from an ability to think and reason from concrete visible events to an ability to think hypothetically and entertain what-if possibilities about the world. An individual can solve problems through abstract concepts and utilize hypothetical and deductive reasoning. Adolescents use trial and error to solve problems, and the ability to systematically solve a problem in a logical and methodical way emerges.

Watch It

This video explains some of the cognitive development consistent with formal operational thought.

Formal Operational Thinking in the Classroom

School is a main contributor in guiding students towards formal operational thought. With students at this level, the teacher can pose hypothetical (or contrary-to-fact) problems: “What if the world had never discovered oil?” or “What if the first European explorers had settled first in California instead of on the East Coast of the United States?” To answer such questions, students must use hypothetical reasoning, meaning that they must manipulate ideas that vary in several ways at once, and do so entirely in their minds.

The hypothetical reasoning that concerned Piaget primarily involved scientific problems. His studies of formal operational thinking therefore often look like problems that middle or high school teachers pose in science classes. In one problem, for example, a young person is presented with a simple pendulum, to which different amounts of weight can be hung (Inhelder & Piaget, 1958). The experimenter asks: “What determines how fast the pendulum swings: the length of the string holding it, the weight attached to it, or the distance that it is pulled to the side?” The young person is not allowed to solve this problem by trial-and-error with the materials themselves, but must reason a way to the solution mentally. To do so systematically, he or she must imagine varying each factor separately, while also imagining the other factors that are held constant. This kind of thinking requires facility at manipulating mental representations of the relevant objects and actions—precisely the skill that defines formal operations.

As you might suspect, students with an ability to think hypothetically have an advantage in many kinds of school work: by definition, they require relatively few “props” to solve problems. In this sense they can in principle be more self-directed than students who rely only on concrete operations—certainly a desirable quality in the opinion of most teachers. Note, though, that formal operational thinking is desirable but not sufficient for school success, and that it is far from being the only way that students achieve educational success. Formal thinking skills do not insure that a student is motivated or well-behaved, for example, nor does it guarantee other desirable skills. The fourth stage in Piaget’s theory is really about a particular kind of formal thinking, the kind needed to solve scientific problems and devise scientific experiments. Since many people do not normally deal with such problems in the normal course of their lives, it should be no surprise that research finds that many people never achieve or use formal thinking fully or consistently, or that they use it only in selected areas with which they are very familiar (Case & Okomato, 1996). For teachers, the limitations of Piaget’s ideas suggest a need for additional theories about development—ones that focus more directly on the social and interpersonal issues of childhood and adolescence.

Hypothetical and abstract thinking 

One of the major premises of formal operational thought is the capacity to think of possibility, not just reality. Adolescents’ thinking is less bound to concrete events than that of children; they can contemplate possibilities outside the realm of what currently exists. One manifestation of the adolescent’s increased facility with thinking about possibilities is the improvement of skill in deductive reasoning (also called top-down reasoning), which leads to the development of hypothetical thinking. This provides the ability to plan ahead, see the future consequences of an action and to provide alternative explanations of events. It also makes adolescents more skilled debaters, as they can reason against a friend’s or parent’s assumptions. Adolescents also develop a more sophisticated understanding of probability.

This appearance of more systematic, abstract thinking allows adolescents to comprehend the sorts of higher-order abstract logic inherent in puns, proverbs, metaphors, and analogies. Their increased facility permits them to appreciate the ways in which language can be used to convey multiple messages, such as satire, metaphor, and sarcasm. (Children younger than age nine often cannot comprehend sarcasm at all). This also permits the application of advanced reasoning and logical processes to social and ideological matters such as interpersonal relationships, politics, philosophy, religion, morality, friendship, faith, fairness, and honesty.

Metacognition

Metacognition refers to “thinking about thinking.” It is relevant in social cognition as it results in increased introspection, self-consciousness, and intellectualization. Adolescents are much better able to understand that people do not have complete control over their mental activity. Being able to introspect may lead to forms of egocentrism, or self-focus, in adolescence.  Adolescent egocentrism is a term that David Elkind used to describe the phenomenon of adolescents’ inability to distinguish between their perception of what others think about them and what people actually think in reality. Elkind’s theory on adolescent egocentrism is drawn from Piaget’s theory on cognitive developmental stages, which argues that formal operations enable adolescents to construct imaginary situations and abstract thinking.

Accordingly, adolescents are able to conceptualize their own thoughts and conceive of other people’s thoughts. However, Elkind pointed out that adolescents tend to focus mostly on their own perceptions, especially on their behaviors and appearance, because of the “physiological metamorphosis” they experience during this period. This leads to adolescents’ belief that other people are as attentive to their behaviors and appearance as they are of themselves. According to Elkind, adolescent egocentrism results in two distinct problems in thinking: the imaginary audience and the personal fable. These likely peak at age fifteen, along with self-consciousness in general.

Imaginary audience is a term that Elkind used to describe the phenomenon that an adolescent anticipates the reactions of other people to him/herself in actual or impending social situations. Elkind argued that this kind of anticipation could be explained by the adolescent’s preoccupation that others are as admiring or as critical of them as they are of themselves. As a result, an audience is created, as the adolescent believes that they will be the focus of attention.

However, more often than not the audience is imaginary because in actual social situations individuals are not usually the sole focus of public attention. Elkind believed that the construction of imaginary audiences would partially account for a wide variety of typical adolescent behaviors and experiences; and imaginary audiences played a role in the self-consciousness that emerges in early adolescence. However, since the audience is usually the adolescent’s own construction, it is privy to his or her own knowledge of him/herself. According to Elkind, the notion of imaginary audience helps to explain why adolescents usually seek privacy and feel reluctant to reveal themselves–it is a reaction to the feeling that one is always on stage and constantly under the critical scrutiny of others.

Elkind also addressed that adolescents have a complex set of beliefs that their own feelings are unique and they are special and immortal. Personal fable is the term Elkind created to describe this notion, which is the complement of the construction of imaginary audience. Since an adolescent usually fails to differentiate their own perceptions and those of others, they tend to believe that they are of importance to so many people (the imaginary audiences) that they come to regard their feelings as something special and unique. They may feel that only they have experienced strong and diverse emotions, and therefore others could never understand how they feel. This uniqueness in one’s emotional experiences reinforces the adolescent’s belief of invincibility, especially to death.

This adolescent belief in personal uniqueness and invincibility becomes an illusion that they can be above some of the rules, disciplines and laws that apply to other people; even consequences such as death (called the invincibility fable). This belief that one is invincible removes any impulse to control one’s behavior (Lin, 2016). [1] Therefore, adolescents will engage in risky behaviors, such as drinking and driving or unprotected sex, and feel they will not suffer any negative consequences.

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Intuitive and Analytic Thinking

Piaget emphasized the sequence of thought throughout four stages. Others suggest that thinking does not develop in sequence, but instead, that advanced logic in adolescence may be influenced by intuition. Cognitive psychologists often refer to intuitive and analytic thought as the dual-process model; the notion that humans have two distinct networks for processing information (Kuhn, 2013.) [2] Intuitive thought is automatic, unconscious, and fast, and it is more experiential and emotional.

In contrast, analytic thought is deliberate, conscious, and rational (logical). While these systems interact, they are distinct (Kuhn, 2013). Intuitive thought is easier, quicker, and more commonly used in everyday life. As discussed in the adolescent brain development section earlier in this module, the discrepancy between the maturation of the limbic system and the prefrontal cortex, may make teens more prone to emotional intuitive thinking than adults. As adolescents develop, they gain in logic/analytic thinking ability and sometimes regress, with social context, education, and experiences becoming major influences. Simply put, being “smarter” as measured by an intelligence test does not advance cognition as much as having more experience, in school and in life (Klaczynski & Felmban, 2014). [3]

Risk-taking

Because most injuries sustained by adolescents are related to risky behavior (alcohol consumption and drug use, reckless or distracted driving, and unprotected sex), a great deal of research has been done on the cognitive and emotional processes underlying adolescent risk-taking. In addressing this question, it is important to distinguish whether adolescents are more likely to engage in risky behaviors (prevalence), whether they make risk-related decisions similarly or differently than adults (cognitive processing perspective), or whether they use the same processes but value different things and thus arrive at different conclusions. The behavioral decision-making theory proposes that adolescents and adults both weigh the potential rewards and consequences of an action. However, research has shown that adolescents seem to give more weight to rewards, particularly social rewards, than do adults. Adolescents value social warmth and friendship, and their hormones and brains are more attuned to those values than to long-term consequences (Crone & Dahl, 2012). [4]
 

A picture shows four people gathered around a table attempting to figure out a problem together.
Figure 2. Teenage thinking is characterized by the ability to reason logically and solve hypothetical problems such as how to design, plan, and build a structure. (credit: U.S. Army RDECOM)

Some have argued that there may be evolutionary benefits to an increased propensity for risk-taking in adolescence. For example, without a willingness to take risks, teenagers would not have the motivation or confidence necessary to leave their family of origin. In addition, from a population perspective, there is an advantage to having a group of individuals willing to take more risks and try new methods, counterbalancing the more conservative elements more typical of the received knowledge held by older adults.

Relativistic Thinking

Adolescents are more likely to engage in relativistic thinking—in other words, they are more likely to question others’ assertions and less likely to accept information as absolute truth. Through experience outside the family circle, they learn that rules they were taught as absolute are actually relativistic. They begin to differentiate between rules crafted from common sense (don’t touch a hot stove) and those that are based on culturally relative standards (codes of etiquette). This can lead to a period of questioning authority in all domains.

As we continue through this module, we will discuss how this influences moral reasoning, as well as psychosocial and emotional development. These more abstract developmental dimensions (cognitive, moral, emotional, and social dimensions) are not only more subtle and difficult to measure, but these developmental areas are also difficult to tease apart from one another due to the inter-relationships among them. For instance, our cognitive maturity will influence the way we understand a particular event or circumstance, which will in turn influence our moral judgments about it, and our emotional responses to it. Similarly, our moral code and emotional maturity influence the quality of our social relationships with others.

School During Adolescence

Secondary Education

Adolescents spend more waking time in school than in any other context (Eccles & Roeser, 2011). Secondary education is traditionally grades 7-12 and denotes the school years after elementary school (known as primary education) and before college or university (known as tertiary education). Adolescents who complete primary education (learning to read and write) and continue on through secondary and tertiary education tend to also have better health, wealth, and family life (Rieff, 1998).[5] Because the average age of puberty has declined over the years, middle schools were created for grades 5 or 6 through 8 as a way to distinguish between early adolescence and late adolescence, especially because these adolescents different biologically, cognitively and emotionally and definitely have different needs.

Transition to middle school is stressful and the transition is often complex. When students transition from elementary to middle school, many students are undergoing physical, intellectual, social, emotional, and moral changes (Parker, 2013). [6] Research suggests that early adolescence is an especially sensitive developmental period (McGill et al., 2012).[7] Some students mature faster than others. Students who are developmentally behind typically experience more stress than their counterparts (U.S. Department of Education, 2008).[8] Consequently, they may earn lower grades and display decreased academic motivation, which may increase the rate of dropping out of school (U.S. Department of Education, 2008). For many middle school students, academic achievement slows down and behavioral problems can increase.

Specific Middle School Issues

Regardless of a student’s gender or ethnicity, middle school is challenging. Although young adolescents seem to desire independence, they also need protection, security, and structure (Brighton, 2007).[9] Baly, Cornell, & Lovegrove (2014) found that bullying increases in middle school, particularly in the first year.[10] Additionally, unlike elementary school, concerns arise regarding procedural changes. Just when egocentrism is at it’s height, students are worried about being thrown into an environment of independence and responsibility. They are expected to get to and from classes on their own, manage time wisely, organize and keep up with materials for multiple classes, be responsible for all classwork and homework from multiple teachers, and at the same time develop and maintain a social life (Meece & Eccles, 2010).[11] Students are trying to build new friendships and maintain ones they already have. As noted throughout this module, peer acceptance is particularly important.

Another aspect to consider is technology. Typically, adolescents get their first cell phone at about age 11 and, simultaneously, they are also expected to research items on the Internet. Social media use and texting increase dramatically and the research finds both harm and benefits to this use (Coyne et al., 2018).[12]

Teens, Technology, and Bullying

Bullying is unwanted, aggressive behavior among school aged children that involves a real or perceived power imbalance. The behavior is repeated, or has the potential to be repeated, over time. Both kids who are bullied and who bully others may have serious, lasting problems. It is a prevalent problem during the middle and high school years, exacerbated by access to technology and the means to easily spread damaging information online.

Pew Center Research showing that 59% of teens have experienced some form of cyberbullying: name-calling (42%), spreading false rumors (32%), receiving explicit images they didn't ask for (25%), constant asking-like stalking from a non-parent (21%), physical threats (16%), and having their explicit images shared (7%).
Figure 3. Cyberbullying comes in many forms.

These are some key statistics about bullying from StopBullying.gov (https://www.stopbullying.gov/media/facts/index.html#stats):

  • Been Bullied

    • The 2017 School Crime Supplementexit disclaimer icon (National Center for Education Statistics and Bureau of Justice) (https://nces.ed.gov/programs/crimeindicators/ind_10.asp) indicates that, nationwide, about 20% of students ages 12-18 experienced bullying.
    • The 2017 Youth Risk Behavior Surveillance Systemexit disclaimer icon (Centers for Disease Control and Prevention) (http://www.cdc.gov/HealthyYouth/yrbs/index.htm) indicates that, nationwide, 19% of students in grades 9–12 report being bullied on school property in the 12 months preceding the survey.

  • Bullied Others

    • Approximately 30% of young people admit to bullying others in surveys.

  • Seen Bullying

    • 70.6% of young people say they have seen bullying in their schools.
    • 70.4% of school staff have seen bullying. 62% witnessed bullying two or more times in the last month and 41% witness bullying once a week or more.
    • When bystanders intervene, bullying stops within 10 seconds 57% of the time.

  • Been Cyberbullied

    • The 2017 School Crime Supplementexit disclaimer icon (National Center for Education Statistics and Bureau of Justice) (https://nces.ed.gov/programs/crimeindicators/ind_10.asp) indicates that, among students ages 12-18 who reported being bullied at school during the school year, 15% were bullied online or by text.
    • The 2017 Youth Risk Behavior Surveillance Systemexit disclaimer icon (Centers for Disease Control and Prevention) (https://www.cdc.gov/healthyyouth/data/yrbs/index.htm) indicates that an estimated 14.9% of high school students were electronically bullied in the 12 months prior to the survey.
    • Pew Center Research (https://www.pewinternet.org/topics/teens-and-technology/) reports a much higher number, stating that 59% of teens have experienced cyberbullying.

  • How Often Bullied

    • In one large study, about 49% of children in grades 4–12 reported being bullied by other students at school at least once during the past month, whereas 30.8% reported bullying others during that time.
    • Defining “frequent” involvement in bullying as occurring two or more times within the past month, 40.6% of students reported some type of frequent involvement in bullying, with 23.2% being the youth frequently bullied, 8.0% being the youth who frequently bullied others, and 9.4% playing both roles frequently.

  • Types of Bullying

    • The most common types of bullying are verbal and social. Physical bullying happens less often. Cyberbullying happens the least frequently.
    • According to one large study, the following percentages of middle schools students had experienced these various types of bullying: name calling (44.2 %); teasing (43.3 %); spreading rumors or lies (36.3%); pushing or shoving (32.4%); hitting, slapping, or kicking (29.2%); leaving out (28.5%); threatening (27.4%); stealing belongings (27.3%); sexual comments or gestures (23.7%); e-mail or blogging (9.9%).

  • Where Bullying Occurs

    • Most bullying takes place in school, outside on school grounds, and on the school bus. Bullying also happens wherever kids gather in the community. And of course, cyberbullying occurs on cell phones and online.
    • According to one large study, the following percentages of middle schools students had experienced bullying in these various places at school: classroom (29.3%); hallway or lockers (29.0%); cafeteria (23.4%); gym or PE class (19.5%); bathroom (12.2%); playground or recess (6.2%).3

Many organizations, schools, teachers, parents, and lawmakers are working to address the issue of bullying. One example is that of ReThink (http://www.rethinkwords.com/), a technology designed by teenager Trisha Prabhu to recognize bullying online and encourage posters to reconsider their behavior (watch Trisha Prabhu’s TED talk (https://www.youtube.com/watch?v=YkzwHuf6C2U)).

High School

As adolescents enter into high school, their continued cognitive development allows them to think abstractly, analytically, hypothetically, and logically, which is all formal operational thought. High school emphasizes formal thinking in attempt to prepare graduates for college where analysis is required. Overall, high school graduation rates in the United States have increased steadily over the past decade, reaching 83.2 percent in 2016 after four years in high school (Gewertz, 2017).[13] Additionally, many students in the United States do attend college. Unfortunately, though, about half of those who go to college leave without a degree (Kena et al., 2016).[14] Those that do earn a degree, however, do make more money and have an easier time finding employment. The key here is understanding adolescent development and supporting teens in making decisions about college or alternatives to college after high school.

Link to Learning

What do you think, is college necessary? Is it worth the investment? Read the article “Is College Necessary?” from Psychology Today (https://www.psychologytoday.com/us/blog/teen-angst/201804/is-college-necessary) geared towards parents who can help their teenager decide if college is right for them.

Academic Achievement

Academic achievement during adolescence is predicted by interpersonal (e.g., parental engagement in adolescents’ education), intrapersonal (e.g., intrinsic motivation), and institutional (e.g., school quality) factors. Academic achievement is important in its own right as a marker of positive adjustment during adolescence but also because academic achievement sets the stage for future educational and occupational opportunities. The most serious consequence of school failure, particularly dropping out of school, is the high risk of unemployment or underemployment in adulthood that follows. High achievement can set the stage for college or future vocational training and opportunities.

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Moral Reasoning During Adolescence

Moral Reasoning in Adolescence

Teen girls holding drinks at a party.
Figure 4. Adolescents’ moral development gets put to the test in real life situations, often along with peer pressure to behave or not behave in particular ways.

As adolescents become increasingly independent, they also develop more nuanced thinking about morality, or what is right or wrong. We all make moral judgments on a daily basis. As adolescents’ cognitive, emotional, and social development continue to mature, their understanding of morality expands and their behavior becomes more closely aligned with their values and beliefs. Therefore, moral development describes the evolution of these guiding principles and is demonstrated by the ability to apply these guidelines in daily life. Understanding moral development is important in this stage where individuals make so many important decisions and gain more and more legal responsibility.

If you recall from the module on Middle Childhood, Lawrence Kohlberg (1984) argued that moral development moves through a series of stages, and reasoning about morality becomes increasingly complex (somewhat in line with increasing cognitive skills, as per Piaget’s stages of cognitive development). As children develop intellectually, they pass through three stages of moral thinking: the preconventional level, the conventional level, and the postconventional level. In middle childhood into early adolescence, the child begins to care about how situational outcomes impact others and wants to please and be accepted (conventional morality). At this developmental phase, people are able to value the good that can be derived from holding to social norms in the form of laws or less formalized rules. From adolescence and beyond, adolescents begin to employ abstract reasoning to justify behaviors. Moral behavior is based on self-chosen ethical principles that are generally comprehensive and universal, such as justice, dignity, and equality, which is postconventional morality.

Influences on Moral Development

Adolescents are receptive to their culture, to the models they see at home, in school and in the mass media. These observations influence moral reasoning and moral behavior. When children are younger, their family, culture, and religion greatly influence their moral decision-making. During the early adolescent period, peers have a much greater influence. Peer pressure can exert a powerful influence because friends play a more significant role in teens’ lives. Furthermore, the new ability to think abstractly enables youth to recognize that rules are simply created by other people. As a result, teens begin to question the absolute authority of parents, schools, government, and other traditional institutions (Vera-Estay, Dooley, & Beauchamp, 2014) [15] By late adolescence, most teens are less rebellious as they have begun to establish their own identity, their own belief system, and their own place in the world.

Unfortunately, some adolescents have life experiences that may interfere with their moral development. Traumatic experiences may cause them to view the world as unjust and unfair. Additionally, social learning also impacts moral development. Adolescents may have observed the adults in their lives making immoral decisions that disregarded the rights and welfare of others, leading these youth to develop beliefs and values that are contrary to the rest of society. That being said, adults have opportunities to support moral development by modeling the moral character that we want to see in our children. Parents are particularly important because they are generally the original source of moral guidance. Authoritative parenting facilitates children’s moral growth better than other parenting styles and one of the most influential things a parent can do is to encourage the right kind of peer relations. [16] While parents may find this process of moral development difficult or challenging, it is important to remember that this developmental step is essential to their children’s well-being and ultimate success in life.

Link to Learning

Parenting has the largest impact on adolescent moral development. Read more here in this article, “Building Character: Moral Development in Adolescence” (https://parentandteen.com/building-character-moral-development-in-adolescence/) from the Center for Parent and Teen Communication.

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GLOSSARY

adolescent egocentrism: a characteristic of adolescent thinking that leads young people (ages 10-13) to focus on themselves to the exclusion of others (according to David Elkind)
 
analytic thought: thought that results from analysis, such as a systematic ranking of pros and cons, risks and consequences, possibilities and facts. Analytic thought depends on logic and rationality
 
behavioral decision-making theory: proposes that adolescents and adults both weigh the potential rewards and consequences of an action. However, research has shown that adolescents seem to give more weight to rewards, particularly social rewards, than do adults
 
constructivist perspective: based on the work of Piaget, a quantitative, stage-theory approach. This view hypothesizes that adolescents’ cognitive improvement is relatively sudden and drastic, as adolescents learn by acting on their environment and they actively construct knowledge
 
deductive reasoning: reasoning from a general statement, premise, or principle, though logical steps to figure out (deduce) specifics. Also called top-down processing
 
divided attention: the ability to pay attention to two or more stimuli at the same time; this ability improves during adolescence
 
dual process model/dual processing: the notion that two networks exist within the human brain, one for emotional processing of stimuli and one for analytic reasoning
 
formal operational thought: the fourth and final stage of Piaget’s theory of cognitive development, characterized by more systematic logical thinking and by the ability to understand and systematically manipulate abstract concepts
 
hypothetical thought: reasoning that includes propositions and possibilities that may not reflect reality
 
imaginary audience: the other people who, in an adolescent’s egocentric belief, are watching and taking note of his or her appearance, ideas, and behavior. This belief makes many adolescents very self-conscious
 
information-processing perspective: derives from the study of artificial intelligence and explains cognitive development in terms of the growth of specific components of the overall process of thinking
 
intuitive thought: thoughts that arise from an emotion or a hunch, beyond rational explanation, and are influenced by past experiences and cultural assumptions
 
invincibility fable: an adolescent’s egocentric conviction that he or she cannot be overcome or even harmed by anything that might defeat a normal mortal, such as unprotected sex, drug abuse, or high-speed driving
 
metacognition: refers to “thinking about thinking” and it is relevant in social cognition and results in increased introspection, self-consciousness, and intellectualization during adolescence
 
middle school: a school for children in the grades between elementary school and high school. Middle school usually begins with grade 6 and ends with grade 8
 
mnemonic devices: mental strategies to help learn and remember information more efficiently; improves during adolescence
 
personal fable: an aspect of adolescent egocentrism characterized by an adolescent’s belief that his or her thoughts, feelings, and experiences are unique, more wonderful, or more awful than anyone else’s
 
relativistic thinking: thinking that understands the relative or situational nature of circumstances
 
secondary education: the period after primary education (elementary or grade school) and before tertiary education (college). It usually occurs from about ages 12 to 18, although there is some variation by school and by nation
 
selective attention: the process by which one focuses on one stimulus while tuning out another; this ability improves during adolescence

 

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