Sample

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Across
  1. 2. Method for determining causality
  2. 6. Hours of sleep last night and current levels of sleepiness most likely form a _______ correlation
  3. 7. Psychologists have found that more extraverted people are happier. This is an example of a ______ correlation.
  4. 8. Method for determining the association between two variables
Down
  1. 1. The outcome variable in an experiment
  2. 3. The variable that a researcher manipulates in an experiment is the ______ variable
  3. 4. "Correlation does not equal ________"
  4. 5. The scientific study of behavior and mental processes