CHAPTER 8 206 Table 1 Overview of the analysis for each hypothesis Hypotheses Outcome Accepted? Longitudinal Validity 1 In 100% of cases, if the PRPP-M of Stage 1 and the PRPP-S of Stage 2 change, we expect the change to be in the same direction 100% Yes 2 In 80% of cases, if the PRPP-S of Stage 2 contains a change, then a change in the same direction is expected in the PRPP-M of Stage 1 89% Yes 3 In at least 60% of cases, if there is a change in the PRPP-M of Stage 1, we also expect a change in the same direction for the parent-rated COPM-P score 100% Yes 4 In at least 80% of cases, if there is a change in the parent-rated COPM-P score, we also expect a change in the PRPP-M of Stage 1 89% Yes 5 In at least 30% of cases, if there is a change in the PRPP-M of Stage 1, we also expect a change in the same direction for the child-rated COPM-P score 50% Yes 6 In at least 50% of cases, if there is a change in the childrated COPM-P score, we also expect a change in the PRPP-M of Stage 1 75% Yes 7 In at least 60% of cases, if there is a change in the PRPP-M of Stage 1, we also expect a change in the same direction for the GAS 100% Yes 8 In at least 80% of cases, if there is a change on the GAS, we also expect a change in the PRPP-M of Stage 1 89% Yes 9 The correlation between the scores of the parent-rated COPM-P and the PRPP-M of Stage 1 calculated with Spearman’s r shows a moderate positive correlation (0.40 ≤ r ≥ 0.60 ) 0.41 (p.092) Yes 10 The correlation between the scores of the GAS and the PRPP-M of Stage 1 calculated with Spearman’s r shows a moderate to strong positive correlation (0.40 ≤ r ≥ 0.80) 0.52 (p.026) Yes Longitudinal Reproducibility 11 The ICCagreement for the change scores of the Stage 1 PRPP-M is acceptable (≥ 0.60)66 0.667 Yes 12 The ICCagreement for the change scores of the Stage 2 PRPP-S is acceptable (≥ 0.60)66 0.532 No 13 The ICCagreement for the change scores of the Stage 2 quadrant scores are acceptable (≥ 0.60)66 0.320 – 0.515 No
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