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a hypothetical explanation of a natural phenomena
Rule of parsimony
Two forms of Expectancy Biases:
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1. Observer or Experimenter Expectancies
2. Subject or Research Respondent Expectancies
MRI stands for
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Magnetic Resonance Imaging (MRI)
why are matched samples not perfects
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cause another 3rd variable may always be at play
Inferential statistics
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tells scientists what kind of conclusions or inferences they can draw from
observed differences b/w the experimental and control group
National commission for the protection of human studied of biomedical and behavior
research makes sure scientists (3)
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1. respect people
2. do research that maximizes benefits and reduces risks
3. distribute benefits and risks equally
Goal of research
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find the casual relationship b/w properties
Is bottling up or releasing emotions better? Video clip: describe the experiment and
results
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Controversial essays, responses and venting on a punching bag, then play
the game.
Results: Releasing emotions actually makes the behavior worse
Naturalistic Observation and its benefit
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, People go into the environment and study (Ethnology Researchers)
Benefit: "Ecological Validity"
The environment is real helps show how people behave in this specific
place
The Hawthorne Effect history
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Wanted to find out if different light levels effected employee productivity?
The bosses watched and that was more influential than the lights and
caused the workers to work faster regardless of light.
Animal ethical rules (3)
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1. must have someone trained with animals present
2. minimize discomfort
3. pain only when there is no alternative
How to control Observer and Subject bias (3)
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