In an experiment, the researcher was unintentionally talkative to one of the participant groups. What best describes the threat to internal validity and why is it a threat?

a. Randomness, since being talkative can make this particular group more relaxed and better able to perform.
b. Participant-maturation interaction, since being friendly to one group can introduce a confound.
c. History, since this unintended interaction was not part of the independent variable, a confound was introduced.
d. Testing, since the other group might feel cheated for being treated more formally by the researcher, and this introduces counterbalancing.


C

Psychology

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a. curiosity b. power c. physical contact d. pain avoidance

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Fill in the blank(s) with correct word

Psychology

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Psychology