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Using correlational studies, psychologists have studied whether exposure to violence in the media leads to violent behaviour. They have found that participants who have been exposed to more violence in the media are, in general, more violent. It is not clear from such research which one causes the other. The problem in interpreting these results involves:
Directional Hypothesis
A directional hypothesis predicts the specific direction of the relationship between variables, such as one variable increasing as the other decreases.
Greek Letters
Symbols used in statistics and other scientific fields to represent variables, parameters, and coefficients.
Directional Research Hypothesis
A hypothesis that predicts the specific direction of the relationship between variables.
Null Hypotheses
A statistical hypothesis that assumes no significant difference or relationship exists between certain characteristics of a population or data set.
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