quizzes from unit 3

Question 1

Which of the following is the most obvious reason to include multiple dependent variables in an experiment?

Answer 1

You can answer more questions with little additional effort.

Question 2

Which of the following is true of a study on the effect of ambient odor and room temperature on creativity?

Answer 2

There are multiple independent variables

Question 3

Which of the following is an advantage of conducting an experiment with multiple independent variables?

Answer 3

It allows the researcher to detect interactions.

Question 4

A simple effects analysis provides a means for researchers to…

Answer 4

Breakdown interactions by examining the effect of each independent variable at each level of another independent variable

Question 5

Which of the following statements describes a statistical interaction?

Answer 5

Extroverts concentrate better when they consume a little caffeine; introverts concentrate worse when they consume a little caffeine.

Question 6

What is the defining feature of nonexperimental research?

Answer 6

It lacks random assignment.

Question 7

Which of the following is the defining feature of correlational research?

Answer 7

Two variables are measured and the relationship between them is assessed.

Question 8

A new anti-drug program is instituted at one elementary school. Then the attitudes of the students toward drugs are compared to the attitudes of students at a similar elementary school without the program. What kind of research design is this?

Answer 8

nonequivalent groups.

Question 9

Qualitative research is meant to do which of the following?

Answer 9

All of the above are correct. (a. generate novel research questions. b. explore people’s “lived experience.” c. address broad questions.)

Question 10

Imagine that a school institutes a program to encourage students to be kinder to each other. They measure a group of students’ levels of kindness when they are freshmen, administer the program for three years, and then measure their levels of kindness when they are seniors. The result is that their level of kindness has substantially increased. It could be that the program caused the increase in kindness, but it could also be which of the following?

Answer 10

maturation

Question 11

A _______ effect occurs when something specific happens between a pretest and posttest that causes a change in the dependent variable from pretest to posttest.

Answer 11

History