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15 Cards in this Set

  • Front
  • Back
internal validity
is it really the independent variable causing the dependent variable, maybe it is a confounding variable
external validity
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
changes in the external, environmental, outside study but influence people in study.
sleeper effect
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
sensitization (testing):
the tendency for an initial measurement in a research study to influence a subsequent measurement.
Hawthorne effect
how aware people are of a researcher’s intent can influence their behavior. People aware that they are being studied often behave differently
selection of people or texts for a study may influence the validity of the conclusions drawn.
statistical regression
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.
mortality (attrition):
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.
intersubject (interparticipant) bias:
results when the people being studied influence one another.
researcher personal attribute effect:
occurs when particular characteristics of a researcher influence peoples behavior.
researcher unintentional expectancy effect
occurs when researchers influence research participants responses by inadvertently letting them know the behavior they desire
observer drift:
occurs when observers become inconsistent in the criteria used to make and record observations
observer bias
occurs when observers knowledge of the research influences their observations.
halo effect
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