Joellen Killion reports on the results of a five-year professional development intervention consisting of workshops and curriculum units conducted in six elementary schools in an urban district to gauge teacher knowledge and practices in science instruction for English language learners. The study looked at predictors of teacher change that…

The present study aimed to identify the scientific research obstacles facing faculty members in the College of Education at Princess Nora bint Abdul Rahman University (PNU) and to determine the differences in the obstacles according to age, academic rank, scientific specialty, marital status, number of completed studies, and time since the last…

Shows that the variables "educational level" and "low personal involvement" can predict "no opinion" and "don't know" responses in polls. (RL)

The non-response bias analysis of data from a stratified nationwide probability sample of high school seniors produced evidence in support of the hypothesis that nonrespondents tend to be of lower "educational level" than respondents. A partial-response bias analysis of the same data indicated that there were similarities between the biases of…