The systematic literature review is based on a critical need in the area of values, where there are many uncertainties around universal definitions and drivers of values and traits. The study evaluated definitions, categories, drivers and the interdependence between values and personality traits and behaviours. Over 5,873 studies over a 70-year…

Adolescence is a developmental period that entails substantial changes in affective and incentive-seeking behavior relative to both childhood and adulthood, including a heightened propensity to engage in risky behaviors and experience persistent negative and labile mood states. This review discusses the emotional and incentive-driven behavioral…

The author examines three phenomena--the inconclusiveness about the nature of intelligence and how to deal with it, the supplanting of learning theory by behavior modification, and the rise of human technology--and argues that a confluence of ethological theory applied in the human context may provide a coherent theoretical picture of…

Adolescence is the transition from childhood to adulthood, a period during which an individual acquires the skills necessary to survive on his or her own, away from parents or other caregivers. Adolescence can be a very confusing time. They experience changes in sleep, diet, mood, weight and attitude and a decreased pleasure from daily activities.…

Shows that shifts in children's organizing behaviors occur relatively independently of changes in ability. (RL)

The strengths and limitations of a developmental approach to the study of teacher change are described. The developmental approach is characterized by: (1) a focus on an end state (maturity); (2) the assumption that all individuals go through the same sequence of changes leading to that end state; and (3) the assumption that these changes are…

This book focuses on transitions into young adulthood by examining key roles and experiences of young adults and how they relate to changes in drug use. The findings are based on the nationwide Monitoring the Future project, and represent the majority of individuals who entered young adulthood in the United States during the years 1976 through…

This paper presents information from the ongoing research program, Monitoring the Future. The program is designed to: (1) monitor drug use and potential explanatory factors among American secondary school students, and other young adults; (2) distinguish which of three different kinds of change--maturational, historical, and/or cohort are…