Choose the Hypotheses That Can Be Tested Using Paired-Samples T

question 33

Multiple Choice

Choose the hypotheses that can be tested using paired-samples t tests. ​

• A) People living in warm countries are happier than people from cold countries.
• B) Homicide rates, on average, are higher in Western counties than in Southern counties of the United States.
• C) Graduates had higher average salaries 10 years after the graduation than they had 5 years after the graduation.
• D) The length of life, on average, is shorter for never-married persons than for married persons who married at least once.

---

Definitions:

Social Facilitation

The tendency for people to perform better on simple tasks, or worse on complex tasks, when in the presence of others.

Binge Eating

The excessive consumption of large amounts of food in a short period, often associated with a loss of control over eating.

College Sororities

Social organizations for female college students in the United States and Canada, often characterized by a system of recruitment, membership, philanthropy, and social activities.

Social Facilitation Theory

The theory that the presence of others enhances performance on simple tasks but may impair performance on complex tasks due to increased arousal.