A sample of n = 8 scores has a mean of M = 20 . After one score is removed from the sample, the mean is calculated to be M = 23 . The removed score must have a value greater than 20
Indicate whether the statement is true or false
F
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Tests that provide a statement, usually of the self-report variety, and require the subject to choose between two or more alternative responses, are called a. group tests
b. individual tests. c. structured personality tests. d. projective personality tests.
In an experiment, manipulation of the independent variable requires ____
a. creating one treatment condition defined by one level of the independent variable b. creating at least two treatment conditions defined by two different levels of theindependent variable c. creating at least three treatment conditions defined by three different levels of theindependent variable d. measuring two separate variables to determine how they are related
Which of the following correlation coefficients represent the variables with the strongest degree of relationship?
a. 1.00 b. .69 c. +.76 d. +.10
Research suggests that higher intelligence in young adulthood:
A. is related to lower mortality in middle age. B. does not provide a health advantage over the course of one's life. C. is related to neuron pruning that significantly reduces mental flexibility. D. does not impact the organization of brain structures.