Chapter 5 Research Methodology Quiz Questions

In a scatterplot, the direction of the relationship can be seen by the

Slope of the line.

Dr. Pierre is interested in studying levels of anxiety in children who have lived through major natural disasters. As she plans her study, she is considering various operational definitions of anxiety. Which of the following is an example of an operational definition for anxiety that she could consider?

changes in heart rate while viewing images of the aftereffect of a natural disaster

Which of the following is an example of physiological measurement?

...

Which of the following is NOT possible?

A measure is valid but not reliable.

In order to use the known groups paradigm to establish criterion validity, which of the following is necessary?

After testing, the groups should have significantly different scores on the measure.

Fatima is trying to measure gender roles stereotypes using a gender roles survey. She believes that her participants will be able to tell that she is measuring gender role stereotypes because the survey looks like it is measuring stereotypes. Fatima believes that her scale has what type of validity?

Face

Dr. Sheffield is a clinical psychologist who specializes in treating pathological gambling. Pathological gambling is defined as being unable to resist impulses to gamble. Bothered by not having a good measure that he can give to clients to determine whether they are suffering from this condition, he creates a new measure of pathological gambling. The measure has 15 questions, and it takes 20 minutes to complete. Refer to Research Study 5.2 to answer the following nine questions. To test his measure, Dr. Sheffield gives his measure to a group of people in Gamblers Anonymous (GA) and another group of people in Alcoholics Anonymous (AA). He finds that people in the GA group have higher scores on his new measure than people in the AA group. This procedure is known as a:

Known-groups paradigm

Dr. Valencia is considering conducting a study examining whether narcissistic people have poorer social interactions than those who are not narcissistic. One of her first tasks is to determine which of her participants are narcissistic and which are not. She decides to use the scale created by a colleague, the Mayo scale. Question 1 reads, "I tend not to think about other people as much as I think about myself." Question 2 reads, "I do not have a high opinion of myself." Question 3 reads, "I think other people think I am really special." Question: Dr. Valencia calculates a correlation coefficient (r) to examine the relationship between Question 1 and Question 2 and between Question 1 and Question 3. She finds a correlation coefficient of r = − 0.73 between Questions 1 and 2 and a correlation coefficient of r = 0.74 between Questions 1 and 3. Which of the following is true of her findings?

There appears to be good internal reliability in the scale

Hosea is studying the relationship between caffeine consumption and problem-solving ability. Which of the following is a categorical way to operationalize caffeine consumption?

Whether the participant drank a soda in the 24 hours prior to the study.

RESEARCH STUDY 5.1: Dr. Rodriquez is considering conducting a study examining whether narcissistic people have poorer romantic relationships than those who are not narcissistic. One of her first tasks is to determine which of her participants are narcissistic and which are not. She decides to use the scale created by a colleague, the Donal scale. Question 1 reads, "I tend not to think about other people as much as I think about myself." Question 2 reads, "I do not have a high opinion of myself." Question 3 reads, "I think other people think I am really special."Dr. Rodriquez decides to test the internal reliability of her measure. Which of the following results would make her happy?

α = 0.95