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Keith, Timothy Z. – Journal of Educational Psychology, 1982
Time spent on homework was found to be important in determining student grades. Further, it was suggested that increased homework demands and more stringent grading standards might increase both student achievement and confidence in schools. (Author/AL)
Descriptors: Academic Achievement, Grade Inflation, Grades (Scholastic), High School Seniors
Peer reviewed Peer reviewed
Keith, Timothy Z.; And Others – Journal of Educational Psychology, 1986
A set of High School and Beyond data was used to study the effect of three variables on academic achievement. Homework had a positive effect, TV a negative, and parental involvement no direct effect on seniors' achievement scores, but influenced the amount of time students spent on homework. (Author/JAZ)
Descriptors: Academic Achievement, Ethnicity, Grade 12, High Schools
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Cool, Valerie A.; Keith, Timothy Z. – Contemporary Educational Psychology, 1991
The extent of the direct and indirect influence of quality of instruction, motivation, quantity of academic coursework, and homework on academic achievement was investigated using path analysis. Data from the High School and Beyond Study of 28,051 high school seniors were used. (SLD)
Descriptors: Academic Achievement, Comparative Analysis, Courses, Educational Quality
Keith, Timothy Z. – 1989
Causal path analysis was used to determine the direct and indirect influences of intellectual ability, quality of instruction, achievement motivation, quantity of academic coursework, and time spent on homework on high school students' learning, as measured by their grade point averages (GPAs). Other relevant influences on grades were controlled.…
Descriptors: Educational Quality, Ethnicity, Grade Point Average, Grade 10