Table 5

Mean Posttest Scores and Standard Deviations on the IRA Scales Per Research Condition

3rd Grade6th Grade
ExperimentalControlExperimentalControl
Total IRA22.78 (4.17)21.86 (4.37)26.01 (5.26)25.66 (3.77)
Conditional knowledge5.84 (1.84)5.55 (1.76)7.24 (1.69)6.97 (1.55)
Planning6.03 (1.75)5.87 (1.67)6.91 (1.76)6.71 (1.68)
Regulation5.37 (1.44)4.84 (1.57)5.48 (1.65)5.81 (1.36)
Evaluation5.67 (1.61)5.60 (1.72)6.91 (1.72)6.17 (1.81)

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