The internal validity of an experiment is _____
a. is the ability to draw appropriate conclusions because the controls are adequate
b. not making a Type I error because alpha was set very high
c. the ability to generalize the results beyond the experimental situation
d. made stronger by the presence of a confounded variable
A
This is the definition of internal validity.
Psychology
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A frequency distribution with a cluster of scores and a long tail to its left is called a ________________ distribution
A) negatively skewed B) positively skewed C) normal D) biased
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When several schemes are combined and coordinated to generate a single act to solve a problem, this is called
a) goal-directed behavior. b) tertiary circular reaction. c) secondary circular reaction. d) object-directed behavior.
Psychology