Sentences with phrase «computed difference scores»
In order to capture change in relationship satisfaction of first time mothers we computed difference scores of relationship satisfaction from Time 1 and Time 2.
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Nevertheless, the teacher value - added scores computed in this study, despite reflecting differences in teacher effectiveness, are vulnerable to bias.
To determine whether the intervention led to a clinically meaningful and reliable change the reliable change index was computed, as recommended by Jacobson and Truax.39 Because population norms for the GHQ - 12 and PSOC were not available for the present study population, we calculated the SE of difference (Sdiff) based on the pretest scores for the intervention and control group combined, assuming a measurement reliability of 0.8 for each measure.