Two groups of girls took a math test. Before the test, one group was told girls do well at these kinds of tests, and the other group was told that girls do poorly at such tests. When the second group underperformed the first, this reveals

According to the Speaking of Psychology podcast episode “The Power of Persuasion” (from Week 2), which example best illustrates one of Cialdini’s principles of persuasion?

Which of the following decisions is likely to result in the MOST post-decision dissonance?

Which of the following is true about ingroup favoritism?

Which of the following would be MOST likely to cause an audience to perceive the source of a message as trustworthy?

Professor Jones believes that college football players are not serious students, and he expects them to do poorly in his classes. Jack is a football player in Professor Jones’ class. Professor Jones tends not to call on Jack when he raises his hand. Professor Jones also tends not to give much feedback on Jack’s written work. As a result, Jack disengages from the class and puts less effort into his studies. This process can be described as

When we have spent a lot of resources, such as time and sacrifice, on a relationship, we might be reluctant to leave it even though the relationship is not optimal. This is called

In a classic study demonstrating cognitive dissonance, Festinger and Carlsmith (1959) asked participants to engage in an extremely boring task. Participants in one condition were paid $20 to lie to the next participant and tell them the study was enjoyable. Another group of participants was paid $1 to tell this lie. A control group was not asked to lie. Afterwards, which group privately reported that they enjoyed the boring task the MOST?

Experiments allow careful assertion of causality because of

The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of Strontium-90 (t1/2 = 28.8 years) originally produced by the explosion still remains as of July 16, 2026?