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Ysseldyke, James E.; Salvia, John – Diagnostique, 1980
The paper cites difficulties in aptitude-treatment interaction (ATI) research which investigates relationships between test performance and the extent of profiting from instruction. Two methods for ATI research (regression analysis and analysis of variance) are described, assumptions and potential mininterpretations are noted, and correct…
Descriptors: Analysis of Variance, Aptitude, Aptitude Treatment Interaction, Disabilities
Download full textPagni, David L. – 1973
Technology is viewed as a significant independent variable of the organization, affecting the organizational task structure. Viewing the classroom as the unit of observation, a technological change is introduced in the form of electronic computers to teach mathematics. Organizational task structure is defined in terms of teacher-pupil interaction…
Descriptors: Analysis of Variance, Change Agents, Classroom Observation Techniques, Computer Assisted Instruction
