Examlex
According to the law of demand,when the price of a BMW or a Gucci purse increases,the quantity demanded for these goods will also increase because the goods have become more prestigious.
Heritability
A measure of how much of the variation in a trait among individuals within a population is due to genetic factors.
Factor Analysis
A statistical approach for expressing the differences among observed, interrelated variables by means of fewer, not directly observed variables, referred to as factors.
Predictive Validity
The extent to which a score on a scale or test predicts future performance on a related outcome.
Spelling Bee
A competition in which participants are asked to spell a broad selection of words, usually with a varying degree of difficulty.
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