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12 Cards in this Set
- Front
- Back
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Naturalistic observation |
The researcher observes and record what happens |
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Correlational approach |
Research technique in which researcher determines the relationship between variables without manipulating them |
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Independent variable |
Variable which researcher chooses values |
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Dependent variable |
Variable that which is measured to determine effect of independent variable |
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Between subjects design |
Design in which two or more groups have or are assigned different conditions simultaneously |
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Within subjects design |
Research method in which there is one group of participants which is exposed to every treatment or condition |
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Experiment |
A scientific procedure undertaken to make a discovery test a hypothesis or demonstrate a known fact |
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Type 1 error |
Incorrect rejection of true null hypothesis also known as a false positive |
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Type 2 error |
Incorrectly retaining a false null hypothesis also known as a false negative |
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Nuisance variables |
A variable that which causes an increase in variability within groups in an experiment. Tends not to differ between levels of an independent variable unlike confounding variable |
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Confound |
An extraneous variable in a statistical model that which differs between groups in an experiment and can cause increased variability |
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Floor or ceiling effects |
Occurs when large number of subjects have maximum or minimum score and experiment causing a reduction of variability |
