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Both questionnaires showed sufficient item to item convergent validity and item discriminant validity.
94 of 141 (65%) persons sent back the follow up questionnaire, including 89 with sufficient item response for reliability analysis.
Thus, the indicators measuring each construct in the present study all carried sufficient item reliability, as shown in Table 6.
Item-location maps for the refined Self-Care and Domestic Life scales suggested items were well targeted, demonstrating sufficient item spread across the full range of person location scores on both scales, without ceiling effects.
So while in most circumstances, three options would be sufficient, item writers should write as many good distractors as is feasible given the content area being assessed [ 6, 18].
Thus, the indicators measuring the constructs in the present study all carried sufficient item reliability, as shown in the following Table 1.> -wrap-foot> SD = Standard loading, CR = Composite reliability C α = Cronbach's α AVE = Average variance extracted The SPSS 22.0 statistical software packages were used for descriptive data analysis.
Similar(54)
Thus, the findings of the current study were indicative of sufficient item-total reliability for the PSS and PSS-J.
Construct validity was supported by the sufficient item-total correlations where all except one reached the more stringent criteria suggested for final testing of scales (>0.4) [ 32].
For those subscales with sufficient items, analyses supported unidimensionality.
An evaluable questionnaire had sufficient items to allow calculation of at least one FACT-P subscale.
*The SF-6D was regarded as complete if there were sufficient items to calculate a utility score.
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CEO of Professional Science Editing for Scientists @ prosciediting.com