The educational achievement and attainment of young people in the United States has been a long-standing issue of concern. While analyses of long-term trend data from the National Assessment of Educational Progress (NAEP) show that students in the United States have made gains in reading and mathematics over the past few decades, a sizeable…

This article evaluates five causal model of educational productivity applied to learning science in a sample of 882 fifth through eighth graders. Each model explores the relationship between achievement and a combination of eight constructs: home environment, peer group, media, ability, social environment, time on task, motivation, and…

The consequences of using alternative measures of time and achievement are examined in an observational study of 18 elementary school classes. The extent to which choice of the same model linking time and learning for all students was implicated in the inconsistent results is examined. (Author/GK)

The validity of the Comprehensive Tests of Basic Skills (CTBS) and problems associated with inappropriate norms were investigated in eleven senior high schools in Phoenix, Arizona. CTBS validity was assessed in three ways: (1) correlation between test scores and number of courses taken in that subject; (2) correlation between CTBS scores and…