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23 Cards in this Set
- Front
- Back
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Hypothesis |
A testable statement |
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Alternate hypothesis |
A statement predicting that one variable will affect anouther |
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Null hypothesis |
The is no effect hypothesis |
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One tailed hypothesis |
A hypothesis with no prediction of the direction of the effect |
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Independent variable |
The variable manipulated by the experimenter |
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Dependant variable |
The variable measured by the experimenter |
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Target population |
The whole group of people of whom the researcher is interested. |
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Sample |
The group of participants selected to take part in research |
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Random sample |
A sample selected so that everyone in the target population has an a equal chance of being selected. |
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Opportunity sample |
A sample selected by simply using the people who are available at the time and place |
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Self selected sample |
A sample where participants volunteer themselves to take part |
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Laboratory experiment |
An experiment conducted in a controlled situation and involving the manipulation of IV |
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Independent measures design |
U ding different participants in each condition. |
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Repeated measures design |
Using the same participants in each condition |
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Field experiment |
An experiment conducted in a natural environment where the IV is manipulated by the experimenter |
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Quasi experiment |
Where the effects of the naturally occurring IVs are examined |
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Observations |
A non experimental design where the researchers observe and record behaviour |
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Inter rater reliability |
The extent to which observers agree on the way that behaviours should be categorised |
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Correlation |
A method of statistical analysis showing relationship between 2 variables |
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Self report |
Techies for asking people directly for information |
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Open questions |
Questions that ask participants to respond in there own words |
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Closed questions |
Questions that ask the participants to choose from a range of predetermined answers |
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Case study |
An in depth study of single individual or event |
