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10 Cards in this Set
- Front
- Back
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Correlation
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Statistical technique - measures strength of relationship between variables.
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Experiment
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An independent variable is manipulated while others controlled, to see effects on a dependent variable.
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nterview
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Used to gain in-depth information and individual views.
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Naturalistic observation
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Watching behaviour, as it occurs spontaneously, in a natural setting.
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Questionnaire survey
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A snapshot of large number of people's attitudes, opinions or behaviour.
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The aim
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The aim of an investigation is its general purpose.
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hypothesis
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The hypothesis is a precise, testable statement or prediction about the expected outcome of an investigation.
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A 'null hypothesis'
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prediction is that the results are due to chance and are not significant in terms of supporting the idea being investigated.
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A research hypothesis
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prediction is one that states that results are not due to chance and that they are significant in terms of supporting the idea being investigated.
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one tailed hypothesis
two tailed hypothesis |
A one-tailed hypothesis is a directional hypothesis
A two-tailed hypothesis is one in which the direction of results is not predicted. |
