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Ladd, Gary W.; Dinella, Lisa M. – Journal of Educational Psychology, 2009
Premises about the effects of early engagement on achievement were investigated with 383 children who were followed from ages 5.5 to 13.5. Change and continuity in behavioral (cooperative-resistant classroom participation) and emotional (school liking-avoidance) engagement were assessed during Grades 1-3 and were examined within variable- and…
Descriptors: Academic Achievement, Student Participation, Elementary School Students, Foreign Countries
Lichtenwald, Terrance Gordon – Online Submission, 1986
This study was an investigation of a microcomputer system which was developed to administer, score, analyze, and produce a written report for the Peabody picture Vocabulary Test-Revised (PPVT-R). The variables of reliability, age, gender, level of previous experience with microcomputers, preference for manual or computerized test administration,…
Descriptors: Verbal Ability, Intelligence Tests, Vocabulary, Test Validity