A researcher examining the effects of sex and types of humor presented on commercials on purchase likelihood shows programming with commercials with three different types of humor. Participants view the programming and commercials in groups of 15. The researcher observes that participants’ laughter is contagious. That is, if one person laughs, others seem to join the laughter. What potential
threat to internal validity has the researcher just observed?
a. Experimenter effect
b. The Hawthorne effect
c. Testing effect
d. Intersubject bias
Answer d,
Communication & Mass Media
You might also like to view...
The "stunts" that are often carried out by PR personnel to achieve the ultimate goal of enhancing revenues are called
a. pseudoevents. b. brainstormings. c. junkets. d. gatekeepings.
Communication & Mass Media
The speed (words per minute) at which most people can think is
called a. decoding speed. b. cognitive speed. c. thought speed. d. speed productivity. e. unsafe at any speed.
Communication & Mass Media