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Home Q & A Board Science-Related Homework Help Psychology
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Thisisdumb Thisisdumb
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6 years ago
When a researcher asks the question, Have subjects been pre-selected so as to represent the extremes on the variable of interest? she is concerned with which one of the following potential threats to internal validity?
 
  a. testing effect
  b. maturation
  c. subject selection
  d. regression effect

Question 2

A change in behavior simply as a result of earlier experience in the study is a threat to _________validity.
 
  a. internal
  b. external
  c. construct
  d. statistical

Question 3

Students as a group tend to perform better on the second exam. This is similar to ______, which is a threat to validity
 
  a. experimenter bias
  b. effects of testing
  c. history
  d. mortality
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6 years ago
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Thisisdumb Author
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6 years ago
this is exactly what I needed
lipop
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Yesterday
Smart ... Thanks!
sakoon
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2 hours ago
Just got PERFECT on my quiz
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