Reliability is assessed by determining the proportion of random variation in a scale.
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Q26: The scale development process is an iterative
Q27: Reliability refers to the extent to which
Q28: Perfect validity requires that there be no
Q29: In alternative-forms reliability,the same respondents are measured
Q30: Non-comparative itemized rating scales with strong adjectives
Q32: Reliability can be defined as the extent
Q33: When determining the number of scale categories
Q34: Coefficient alpha assists in determining whether the
Q35: XO = XT + XS + XR
Q36: With alternative forms reliability,a low correlation may
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