- History as a threat to internal validity : History as a threat to internal validity is a change in the dependent variable due to the occurrence of an event between the testing of levels of the independent variable.
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Mortality as a threat to internal validity at psychology-glossary.com | ■■■■■■■ |
Mortality as a threat to internal validity : Mortality as a threat to internal validity refers to a difference . . . Read More | |
Variable at psychology-glossary.com | ■■■■■■ |
Variable refers to a dimension along which people, things, or events differ. In the psychology context, . . . Read More | |
Internal validity at psychology-glossary.com | ■■■■■■ |
Internal validity refers to the certainty that experimental interventions did indeed cause the changes . . . Read More | |
Differential effects at psychology-glossary.com | ■■■■■ |
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Interactions with selection at psychology-glossary.com | ■■■■■ |
Interactions with selection is a threat to internal validity caused by a validity threat such as maturation . . . Read More | |
Experimental method at psychology-glossary.com | ■■■■■ |
Experimental method refers to a research method used to uncover cause-and-effect relationships between . . . Read More | |
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Confound at psychology-glossary.com | ■■■■■ |
confound refers to any factor occurring in a study that makes the results uninterpretable because its . . . Read More | |
Manipulation at psychology-glossary.com | ■■■■■ |
Manipulation is defined as the alteration of a variable by an experimenter in expectation that the alteration . . . Read More |