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Research Methods
Experiment
Term | Definition |
---|---|
Experiment | Manipulation of the independent variable to see what effect it has on the dependent variable |
Aim | Statement which explains what the experiment is attempting to achieve |
Hypothesis | Prediction of the outcome of the study |
Four types of hypothesis? | Alternate Null One tailed Two tailed |
Alternate hypothesis | Predicts that the independent variable will have a significant effect on the dependent variable |
Null hypothesis | Predicts that the independent variable will not have a significant effect on the dependent variable |
One tailed hypothesis | Directional hypothesis that predicts the nature of the effect of the independent variable on the dependent variable |
Two tailed hypothesis | Non-directional hypothesis that predicts the nature of the effect of the independent variable on the dependent variable, but the direction of the effect is not specified |