Examlex
Which scientist produced the first X-ray images of the physical structure of DNA?
Validity
The extent to which a test or instrument measures what it claims to measure accurately.
Expensive
Something that requires a high cost or a large amount of resources to obtain.
Factor Analysis
A statistical technique used to identify underlying variables, or factors, that explain the pattern of correlations among various measures.
Woodworth Personality Data Sheet
One of the earliest self-report inventories developed to assess psychological traits, particularly in the context of soldiers during World War I.
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