1.3: Practice Quiz

Which correlation coefficient best represents a moderate relationship showing fewer anxiety symptoms in people who report higher life satisfaction?

-0.5

Which of the following is not part of obtaining informed consent? A. explaining the hypothesis to the participants B. letting participants know that participation is voluntary C. obtaining the participant's signature or a signature from the parent or guardian if the participant is a minor D. reviewing that data is confidential

A. explaining the hypothesis to the participants

Dr. Mattar is interested in knowing more about brain injury to the occipital cortex, and he studies patients individually in order to gain in-depth knowledge about their behaviors. These studies would best be described as ________.

case studies

A(n) ________ is conducted in order to determine whether there are meaningful differences between two groups in a study.

statistical analysis

Which of the following statements is not a hypothesis? A. Aggressive behaviors in female rats will be increased by testosterone administration, compared to a control group. B. Anxiety disorders are caused by a combination of genetic and environmental influences. C. College students with higher conscientiousness will achieve higher overall GPAs than those with lower conscientiousness. D. Rats with damage to their cerebellum will display deficits in motor coordination, using the rotarod test.

B. Anxiety disorders are caused by a combination of genetic and environmental influences.

What should be changed to make the following sentence true? Humanism focuses on the potential of all people for evil.

The word "evil" should be changed to the word "good."

What should be changed to make the following sentence true? Sigmund Freud believed that understanding the unconscious mind was critical to understand subconscious behavior.

The word "subconscious" should be changed to the word "conscious."

Harrison et al. are conducting a study assessing the ability of depressed versus non-depressed participants to remember negative emotions in a short story about a family whose car breaks down. They plan to ask participants to read the story and then make a list of the emotions expressed in the story. Before beginning the study, they make a list of negative emotions (e.g., sadness and anger) that they will record from the participants' responses. In this example, negative emotions are the ________.

dependent variable

Which of the following research designs will allow cause-and-effect conclusions?

experimental

A negative correlation means ________.

one variable decreases as the other increases

In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct ________ and ________.

random sampling; random group assignment