Please select the best one answer from each of the following

Please select the best (one) answer from each of the following

Question 1

The variable systematically changed or manipulated by a researcher in an experiment is called the

Select one:

a.

independent variable.

b.

correlational variable.

c.

dependent variable.

d.

extraneous variable.

Question 2

A relationship is not present when

Select one:

a.

each unique Y score is paired with one and only one X score.

b.

as the Y scores increase, the X scores also increase.

c.

as the Y scores decrease, the X scores increase.

d.

virtually the same set of Y scores is paired with every X score.

Question 3

Variables that are more appropriate to categorize tend to fall on the ________________________ scale.

Select one:

a.

nominal

b.

ordinal

c.

ratio

d.

interval

Question 4

If you want to summarize the characteristics of our PSY 3801 class to your friend, you should use

Select one:

a.

an experimental design.

b.

a correlational design.

c.

inferential statistics.

d.

descriptive statistics.

Question 5

Suppose you are interested in how participants behave in different color conditions. You select 30 participants and assign them to one of three rooms. The rooms differ only with respect to the color of the walls. One room is white, one is pale blue, and a third is bright red. Each participant is served a meal of a hamburger and french fries, and you then measure how long it takes them to finish eating. What would be the independent variable in this study?

Select one:

a. the color of the room

b. the time it takes to finish eating

c. the behavior

d. 30 participants

Solution

The variable systematically changed or manipulated by a researcher in an experiment is called the

Select one:

a.

independent variable.

Question 2

A relationship is not present when

Select one:

a.

each unique Y score is paired with one and only one X score.

Question 3

Variables that are more appropriate to categorize tend to fall on the ________________________ scale.

Select one:

b.

ordinal

Question 4

If you want to summarize the characteristics of our PSY 3801 class to your friend, you should use

Select one:

a.

an experimental design.

Question 5

Suppose you are interested in how participants behave in different color conditions. You select 30 participants and assign them to one of three rooms. The rooms differ only with respect to the color of the walls. One room is white, one is pale blue, and a third is bright red. Each participant is served a meal of a hamburger and french fries, and you then measure how long it takes them to finish eating. What would be the independent variable in this study?

Select one:

a. the color of the room