In an experiment on the effects of room color on mood, the participants in the pink room condition are asked to read a boring computer manual, while the participants in the bright blue room are asked to read a section from a romance novel.
Their mood is then measured. This study lacks ________ because of ________.
A) generalizability; a systematic characteristic
B) external validity; the independent variable
C) generalizability; demand characteristics
D) internal validity; a confound
Question 2
When a researcher can make strong conclusions that the independent variable caused changes in the dependent variable, the study has high ________.
A) complexity
B) external validity
C) internal validity
D) experimenter bias
pink-necked green pigeon
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World map of the distribution of skin color.
Older participants remember more information than younger participants when material has emotional ...
Example of pre- and posttest Interpretation in an Experiment
The Hershey-Chase experiment