This threat to internal validity refers to problems in how groups were formed such that the
groups are not equal before the experiment.
A) selection B) maturation C) testing D) history
A
Psychology
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How does the SEM work
What will be an ideal response?
Psychology
Studies that show how personality traits are strongly influenced by genes also prove that environments have very little influence in the development of personality traits
Indicate whether the statement is true or false.
Psychology