1 Famous Psychology Experiments. 2 Conducting Psychology Experiments.

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1 Famous Psychology Experiments

Transcript of 1 Famous Psychology Experiments. 2 Conducting Psychology Experiments.

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Famous Psychology Experiments

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Conducting Psychology

Experiments

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Hypothesis

• Scientific method

• Hypothesis formulation

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Operationalization• Operationalization: to put an experiment into a form that

allows researchers to test the hypothesis

• Independent variable: the variable that researchers control

Independent variable

Dependent variable

• Dependent variable: the variable that researchers are studying

• What other questions should the researchers ask?

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Operationalization (continued)• Confounding variables

• Reliability

• Validity

What else might cause nightmares?

What makes a movie scary?

SCARY

= ?

How can we tell if a child has had a

nightmare?

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Experimenting, Recording Results, Conclusion

Recording the resultsConducting the experiment

Drawing conclusions

does cause

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Correlation vs. CausationCorrelation versus causation: just because two things are related doesn’t mean one thing caused the other

Just because happened and then

happened

doesn’t necessarily mean that

caused

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Replication and Theory Development

• Replication

• Theory development

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Experiment 1 results

Experiment 2 results

Experiment 3 results

THEORY:

=

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Ethical Issues• Is it right to experiment on people?

• What limits should there be?

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Ethical Issues

• Is it right to experiment on animals?

• What limits should there be?