Question 1

The third column of a frequency table usually contains __________.

Accepted Answer

The answer of The third column of a frequency table...

Question 2

A researcher rates participants' empathic responses to the distress of strangers on a scale of 1 to 10. Most participants were rated either 3 or 7. How would this distribution be described?

Accepted Answer

A) Bimodal 
B) Unimodal 
C) Rectangular 
D) Normal

Question 3

Frequency tables can be used for numerical but not nominal variables. (True or False)

Accepted Answer

A) True 
 B)False

Question 4

The difference between scores of 3 and 4 is approximately the same as the difference between scores of 15 and 16, the type of variable known as:

Accepted Answer

A) equal interval 
B) differential 
C) nondifferential 
D) rank-order

Question 5

A researcher wishing to summarize all the scores for a variable in a study creates a frequency table, but finds that there are so many values that the table is too cumbersome to be useful. The next step would be to make a:

Accepted Answer

A) histogram 
B) frequency polygon 
C) grouped frequency table 
D) pie chart

Question 6

A listing that shows how many times each value of a variable occurs among a particular group of scores is called a(n)__________.

Accepted Answer

The answer of A listing that shows how many times...

Question 7

A frequency table, histogram, or frequency polygon describes a(n)__________.

Accepted Answer

The answer of A frequency table, histogram, or frequency polygon...

Question 8

The word "frequency" in a frequency table refers to:

Accepted Answer

A) cycles per second 
B) the number of scores at each value of a variable 
C) the times per unit change of each score 
D) the cumulative percentage for any given value

Question 9

An intelligence test includes 15 items. Thus, a person could get any number correct between 0 and 15. Each of these numbers correct (0-15)that a person could possibly get is called a:

Accepted Answer

A) value 
B) variable 
C) frequency 
D) mean

Question 10

A frequency table includes columns for all of the following EXCEPT:

Accepted Answer

A) the number of ratings for each value on a scale 
B) the frequency of scores at each value 
C) the percentage of scores for each value 
D) the standard deviation of the measurement scale

Question 11

When working with a nominal variable, the histogram is called a(n):

Accepted Answer

A) bar graph 
B) frequency polygon 
C) area plot 
D) bubble plot

Question 12

A histogram looks most like:

Accepted Answer

A) the skyline of a city 
B) a large wave 
C) a silhouette of mountains 
D) a pattern of iron filings

Question 13

A frequency table lists:

Accepted Answer

A) the times per second that variations occur in various wave bands 
B) the number of scores at each value 
C) the intensity of a variable over all the participants studied 
D) the average and median values of each variable

Question 14

Consider the scores 1, 3, 3, 5, 6, 6, 6, 7, 7, 8. Which of the following would be the correct top line of a frequency table?

Accepted Answer

A) 3, 2, 20% 
B) 10, 10, 100% 
C) 0, 2, 25% 
D) 8, 1, 10%

Question 15

A drawback associated with the use of grouped frequency tables is that you lose information about the breakdown of frequencies within each interval. (True or False)

Accepted Answer

A) True 
 B)False

Question 16

Research by Wolf, Van Doorn, and Weissing (2008)indicates that high sensitivity, reactivity, or responsiveness:

Accepted Answer

A) are innate traits found in about 15-20% of humans 
B) are related to a tendency to reflect before acting, rather than rushing into things 
C) are related to a tendency to have strong emotional reactions to events 
D) all of the above

Question 17

Equal-interval and rank-order variables are both __________ variables.

Accepted Answer

The answer of Equal-interval and rank-order variables are both __________...

Question 18

Numeric variables are also called:

Accepted Answer

A) nominal variables 
B) categorical variables 
C) quantitative variables 
D) irrelevant variables

Question 19

When a distribution is skewed to the left, it is likely that:

Accepted Answer

A) there is a floor effect 
B) there are more scores piled up at the low end of the range 
C) the distribution is approximately normal and symmetrical 
D) there is a ceiling effect

Question 20

The type of transportation a person uses to get to work (e.g., car, bus)is an example of a(n)__________ variable.

Accepted Answer

The answer of The type of transportation a person uses...

Exam 1: Displaying the Order in a Group of Numbers Using Tables and Graphs