Examlex
Contests and sweepstakes are both forms of sales promotions, but a contest requires some sort of skill or effort, while a sweepstakes is a drawing of entrants' names.
Face Validity
Superficial observation that a test appears to cover the correct content or domain. This is not an actual form of validity since the appearance of test items may or may not accurately reflect the domain.
Pilot Study
A small-scale preliminary study conducted to evaluate feasibility, time, cost, risk, and adverse events, used to improve the design of a future full-scale research project.
Cross-Cultural Fairness
In assessment or testing, the principle of ensuring that tools and practices are equitable and do not favor one cultural group over others.
Item Response Theory
A theory and method in psychometrics that models the relationship between individuals' abilities or latent traits and their item responses, considering the properties of the items themselves.
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Q35: Larger is always better.
Q43: Price elasticity<br>A)is impossible to calculate.<br>B)can only be
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