The study investigated the predictive power of school based assessment scores on students' achievement in Junior Secondary Certificate Examination (JSCE) in English and Mathematics. Two hypotheses tested at 0.05 level of significance guided the study. The study adopted an ex-post facto research design. A sample of 250 students were randomly drawn…

This study is on correlation between entry qualification and performance in A'level chemistry at the school of Basic and remedial studies, Yobe State University, Damaturu. The grade in chemistry at the West African Examination Council (WAEC) or National Examination Council (NECO) is the predictor while the criterion is the grade earned in the…

The scores of 537 14-year-old students in Nigeria on the Raven Progressive Matrices were correlated with their scores on an achievement test, to provide an estimate of the predictive validity of the Raven. Results indicated low validity for this usage. (Author/JKS)

For a sample of seven and eight-year old Nigerian elementary pupils, validity coefficients of a modified matrix completion instrument entitled Modified Hall's Matrices, were determined relative to two achievement tests. The coefficients were quite high. (Author/JKS)