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An experiment is conducted on the effect of age (5 yr, 10 yr and 15 yr) andtreatment condition (experimental versus control) on reading speed. Whichstatisticalterm(maineffect,simpleeffect,interaction,specificcomparison)appliesto
- An experiment is conducted on the effect of age (5 yr, 10 yr and 15 yr) andtreatment condition (experimental versus control) on reading speed. Whichstatisticalterm(maineffect,simpleeffect,interaction,specificcomparison)appliesto each ofthedescriptions ofeffects.
- Theeffectofthetreatmentwaslargerfor15-yearoldsthanitwasfor5-or10-yearolds.
- Overall,subjectsinthetreatmentconditionperformedfasterthansubjectsinthecontrolcondition.
- Theageeffectwassignificantunderthetreatmentcondition.
- Thedifferencebetweenthe15-yearoldsandtheaverageofthe5-and10-yearolds was significant.
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