Is the sum still a better measure of the "trait" than any individual item?
It is not clear what inferences can be drawn from the sum of the four items.
Reliability is the prerequisite of validity.
Whose face validity shall be relied on, given face validity is determined by
the eyes of the
I agreed with Paul completely about this point. Cortina published a paper
about this issue in Journal of Applied Psychology in 1993.
Peter Chen
Industrial/Organizational Psychologist and Researcher
Liberty Mutual Research Center
71 Frankland Road,
Dear Colleagues,
I recall I have read some exchanges about the exploratory data
analysis. Would you share with me your favorite exploratory data analysis
books.
Thanks.
Peter Chen
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