Examlex
Which of the following research methods have social psychologists used in about three-fourths of their studies?
Variance
A statistical measure that indicates the dispersion or spread of a set of data points or a probability distribution from its mean or expected value.
Squared Deviations
The squared differences between each data point and the mean, used in statistical analysis to measure variance.
Standard Deviation
A measure of the dispersion or spread of a set of data points relative to its mean, used in statistics to quantify variability.
Efficient Market
A market theory suggesting that asset prices fully reflect all available information, making it impossible to consistently achieve higher returns.
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