This study addresses the longitudinal associations between youths' out-of-school activities, expectancies-values, and high school course enrollment in the domains of math and science. Data were collected on 227 youth who reported on their activity participation in 5th grade, expectancies-values in 6th and 10th grade, and courses taken throughout high school. Math and science course grades at 5th and 10th grade were gathered through school record data. Results indicated youths' math and science activity participation predicted their expectancies and values, which, in turn, predicted the number of high school courses above the predictive power of grades. Although there were mean-level differences between boys and girls on some of these indicators, relations among indicators did not significantly differ by gender.

In this chapter we review the research on the development of children's motivation and engagement. We organize our review into four major sections: the development of children's achievement motivation; gender, cultural, and ethnic differences in children's motivation; socialization of motivation in the family; and socialization of motivation in school. We take a social‐cognitive expectancy‐value theoretical perspective to organize our discussion of this work. We first discuss the development of children's motivation and engagement and take another look at the often‐observed decline in motivation, focusing on new work showing different patterns in these declines among different groups of children. We also discuss how children's motivation relates to their performance and choice, two kinds of outcomes of major importance to children's healthy development. The second major section discusses gender, ethnic, and cultural differences in children's motivation and the important advances researchers have made in understanding these over the past 10 years. In the family and school socialization sections we focus on processes by which parents, teachers, and schools can impact children's motivation both positively and negatively. We note the similarities of these processes across socializers: Providing appropriate challenges and emotional warmth and support, and having high expectations for children. We discuss the need for more integrative studies of how parents and also teachers impact children's motivation. We conclude the chapter with a discussion of important future directions: A continuing focus on culture and motivation, further examination of motivation in specific domains and contexts, a stronger focus on biological influences on the development of motivation, and a consideration of unconscious processes and their impact on the development of motivation.

Longitudinal data from kindergarten to 5th grade on both family involvement in school and children's literacy performance were examined for an ethnically diverse, low-income sample (N ϭ 281). Within families, increased school involvement predicted improved child literacy. In addition, although there was an achievement gap in average literacy performance between children of more and less educated mothers if family involvement levels were low, this gap was nonexistent if family involvement levels were high. These results add to existing evidence on the value of family involvement in school by demonstrating that increased involvement between kindergarten and 5th grade is associated with increased literacy performance and that high levels of school involvement may have added reward for low-income children with the added risk of low parent education. As such, these results support arguments that family involvement in school should be a central aim of practice and policy solutions to the achievement gap between lower and higher income children.

The Eccles' expectancy-value model posits that a cascade of mechanisms explain associations between parents' beliefs and youths' achievement-related behaviors. Specifically, parents' beliefs predict parents' behaviors; in turn, parents' behaviors predict youths' motivational beliefs, and youths' motivational beliefs predict their behaviors. This investigation focused on testing this model with mothers in sports, music, math, and reading over a 12-year period. Data were drawn from mother, youth, and teacher questionnaires collected as part of Childhood and Beyond Study (92% European American; N = 723). Mothers' beliefs in sports, music, and math positively predicted their behaviors in these areas 1 year later, which predicted youths' self-concepts of ability and values (i.e., their motivational beliefs) in these domains 1 year later. Adolescents' motivational beliefs predicted time spent in organized sport activities, playing music, and reading after school measured 4 years later as well as the number of math courses taken in high school. Furthermore, except in reading, mothers' behaviors mediated the relations between mothers' and youths' beliefs, and youths' beliefs mediated the relations between mothers' behaviors and youths' behaviors. Although there were mean-level differences in several indicators based on child gender, in most cases the relations among these indicators did not significantly vary by child gender. This study highlights the processes by which mothers' beliefs during their children's childhood can predict children's activities in adolescence.

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