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15 Cards in this Set
- Front
- Back
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internal validity
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is it really the independent variable causing the dependent variable, maybe it is a confounding variable
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external validity
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assuming internal validity will be able to. Concerns the generallizability of the findings from a research study. Asks whether the conlusions from a particular study can be applied to other people, texts, places and times
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history:
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changes in the external, environmental, outside study but influence people in study.
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sleeper effect
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refers to an effect that is not immediately apparent but becomes evidenced over the course of time. Take a while for events to become apparent in an experiment
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sensitization (testing):
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the tendency for an initial measurement in a research study to influence a subsequent measurement.
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Hawthorne effect
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how aware people are of a researcher’s intent can influence their behavior. People aware that they are being studied often behave differently
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Selection
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selection of people or texts for a study may influence the validity of the conclusions drawn.
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statistical regression
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the tendency for individuals or groups selected on the basis of initial extreme scores on a measurement instrument to behave less atypically the second and subsequent times on that same instrument.
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mortality (attrition):
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the loss of research participants from the beginning to the end of a research study. Can be caused by people moving away or losing interest.
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intersubject (interparticipant) bias:
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results when the people being studied influence one another.
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researcher personal attribute effect:
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occurs when particular characteristics of a researcher influence peoples behavior.
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researcher unintentional expectancy effect
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occurs when researchers influence research participants responses by inadvertently letting them know the behavior they desire
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observer drift:
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occurs when observers become inconsistent in the criteria used to make and record observations
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observer bias
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occurs when observers knowledge of the research influences their observations.
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halo effect
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occurs when observers make multiple judgments of the same person over time and typically overrate a research participants performance because that participant did well in an earlier rating
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