The validity of teacher locus of control (TLOC) as measured by an instrument adapted for this purpose was studied. The construct refers to the individual's perception that changes in his or her environment result from internal or external factors. An adaptation of a scale developed by R. C. Taylor et al. (1981) was used to measure TLOC. The first…

The relatively large number of students who perform poorly in freshman chemistry courses signals the need for the identification of criteria that will result in correct placement decisions for incoming college students. Research findings have generally reported placement criteria that correlate significantly with performance in college chemistry…

The Preschool Rating Scale (PRS) consists of twenty Guttman scaled items which assess a preschool child's personal-social development. Experience gained over the past two years indicate that it can be used: (1) for screening; (2) for program evaluation; (3) as a guide to the teachers in identifying specific areas of development which may need…