Two-four group educational research designs pretest-posttest interaction, switching replication, and treatment effect
This study compared four-group and two-group educational research design in relation to pretest posttest interaction and switching replication treatment and the influence on treatment effect. It used 8 groups to examine the influence of every combination on the treatment effect. The subjects were fo...
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| 格式: | Thesis |
| 语言: | English |
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2006.
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