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Famous Psychology Experiments. Conducting Psychology Experiments. Hypothesis. Scientific method Hypothesis formulation. =. Operationalization. Operationalization: to put an experiment into a form that allows researchers to test the hypothesis
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Hypothesis • Scientific method • Hypothesis formulation =
Operationalization • Operationalization: to put an experiment into a form that allows researchers to test the hypothesis • Independent variable: the variable that researchers control • Dependent variable: the variable that researchers are studying • What other questions should the researchers ask? Independent variable Dependent variable
Operationalization (continued) • Confounding variables • Reliability • Validity SCARY = ? What makes a movie scary? How can we tell if a child has had a nightmare? What else might cause nightmares?
Conducting the experiment Experimenting, Recording Results, Conclusion Recording the results Drawing conclusions does cause
Correlation vs. Causation Correlation versus causation: just because two things are related doesn’t mean one thing caused the other Just because happened happened and then doesn’t necessarily mean that caused
Replication and Theory Development • Replication • Theory development = Experiment 1 results = Experiment 2 results = Experiment 3 results = THEORY:
Ethical Issues • Is it right to experiment on people? • What limits should there be?
Ethical Issues • Is it right to experiment on animals? • What limits should there be?