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A CEO is unsure whether to allow workers to work from home, or require them to work form home, so she runs an experiment. People who participate are randomly assigned to treatment or control. In the treatment arm, people will be allowed to work from home, and in the control arm, people will not to be allowed to work from home. Participation in the experiment is voluntary. After the experiment, we have the following data.   Group Sample size Average performance score Treatment (optional work from home) 324 4.5 Control (no optional work from home) 325 4.3 Did not participate in experiment 200 4.6 The “did not participate” also does not work from home. Should we use them in our analysis of the effects of working from home?  

Addison is shopping for a new winter jacket. Based on past shopping experience, Addison believes that a higher price means better quality, so she chooses the more expensive jacket. Addison’s decision reflects her use of

Each morning, Lucinda deactivates her home’s alarm system, producing a loud beep; opens the back door; and places her cat Fluffy’s food on the back porch. Now, Fluffy salivates to the beep. What is the neutral stimulus in this example?

What is attrition?

A teenager who is punished for saying curse words at home, but not at school or at friends’ houses, may demonstrate a patterned habit of swearing that is indicative of

In 2015, a photograph of a Syrian child lying dead on a beach went viral. In response to the photograph, Red Cross donations were 55 times greater than in response to statistics that described hundreds of thousands of other refugee deaths. This demonstrates that our emotions as well as our actions can be related to the

At the beginning of the COVID-19 pandemic, while Yara and her sibling Yunseo were eating dinner, their parents came in and told them that school was temporarily canceled. Several years later, Yara asks Yunseo, “Remember when we found out school was canceled while we were eating breakfast?” From then on, Yunseo also misremembers themselves eating breakfast when they learned the news. This is an example of

The years during which a person changes from a child to an adult are called

A period from about age 18 to the mid-twenties when many in Western cultures are no longer adolescents but have not yet achieved full independence as adults is called

Allison, who was recently stung by a bee in her neighbor Gia’s garden, now tenses with fear every time she passes Gia’s house. As weeks go by without her getting stung again, however, the association weakens and Allison begins to relax. This process is called