An important property of coefficient alpha is that its value tends to decrease with an increase in the number of scale items.
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Q19: Non-comparative scales are often referred to as
Q20: The Stapel scale is usually presented horizontally.
Q21: When determining the number of scale categories
Q22: The number of scale categories used in
Q23: Systematic sources of error do have an
Q25: In situations where the respondents are expected
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
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