In one study, participants said that a $90 wine tasted better than a $10 wine, although the participants had really tasted the same wine. Interestingly, the participants' functional MRI images showed that the pleasure areas of their brains were more active when they were told they were drinking the "$90 wine.". The results of this experiment illustrate that
a. suggesting the wine was expensive created a perceptual expectancy that it would taste better.
b. few people are supertasters that have the ability to discern the difference in wines.
c. few people are trained to do adequate reality testing.
d. suggesting the wine was expensive created inattentional blindness, blocking the actual taste sensation of the wine and creating a delusion.
a. suggesting the wine was expensive created a perceptual expectancy that it would taste better.
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Dr. Hurtado and Dr. Yashari have recently conducted a study and found a positive correlation between music-listening and dancing ability: People who listen to lots of music tend to be excellent dancers. The correlation is statistically significant. Can they conclude that listening to music causes people to be better dancers? Why or why not?
a. Yes, because there is a positive correlation b. Yes, because there is a statistically significant correlation c. No, because the evidence is correlational, not experimental d. No, because the correlation probably does not hold true for deaf people
Compared to others, people with a strong need for cognition tend to be ____
a. more persuaded by all arguments—both strong and weak b. less persuaded by all arguments—both strong and weak c. more persuaded by strong arguments but less persuaded by weak arguments d. less persuaded by strong arguments but more persuaded by weak arguments
When comparing the mean of a sample of 30 people to the population mean, the degrees of freedom are 31
Indicate whether the statement is true or false
In general, use the past tense
a. in the review of studies in the introduction and in the method. b. only in the method. c. only in the introduction. d. only in the results.