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18 Cards in this Set
- Front
- Back
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iv |
independant variable |
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independant variable.. |
manipulated changed |
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levels of iv |
experimental conditions |
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experimental conditions... |
ex temperature (hot/cold) |
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dv |
dependant variable |
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dapendant variable.. |
measured/tested |
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hypothesis 1 tailed ( directional) |
predicts the direction of affect |
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1 tailed- what to look for |
"x will do more than y" "as rain fall increases so does the level of depression" comparative words (more than/less than) |
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hypothesis 2 tailed (non-directional) |
one affects the other/there is an association |
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2 tailed- what to look for |
"x affects y" "here is a difference.." |
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operationalizing variables |
how you will define and measure a specific variable
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null-hypothesis |
there is no difference between 2 conditions or groups of participants |
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null-hypothesis- what to look for |
negative, no, not etc |
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extraneous variables |
uncontrolled variables that negatively affect the results. |
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confounding variables |
variables other then the iv that affect the dv |
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demand characteristics |
p's work out aim of the study and change their behavior |
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investigator affects |
researcher unconsciously influences P's results |
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randomisation |
the use of chance to control the effects |
