Question 1

______ are measured in whole units or categories that are not distributed along a continuum.

Accepted Answer

A)   Continuous data
B)   Discrete data
C)   Quantitative data
D)   Open-ended data

Question 2

Children are randomly assigned to complete a low,moderate,or high difficult task.The time (in seconds)it takes them to complete the task is recorded.In this example,the level of task difficulty is the dependent variable.

Accepted Answer

A) True 
 B)False

Question 3

A student's letter Grade (A,B,C,D,F)is a nominal scale measurement.

Accepted Answer

A) True 
 B)False

Question 4

Three research methods common to research in the behavioral sciences are

Accepted Answer

A)   experimental, transferable, and correlation.
B)   experimental, variable, and correlational.
C)   experimental, operational, and quasi-correlational.
D)   experimental, quasi-experimental, and correlational.

Question 5

A score on a multiple-choice exam (0-100 points)is a ratio scale measurement.

Accepted Answer

A) True 
 B)False

Question 6

______ is the variable that is believed to change in the presence of the independent variable.

Accepted Answer

A)   Independent variable
B)   Quasi-independent variable
C)   Dependent variable

Question 7

Descriptive statistics are typically presented graphically,in tabular form (in tables),or as summary statistics (single values).

Accepted Answer

A) True 
 B)False

Question 8

A researcher compares the amount of college debt (in dollars) that undergraduate students incur up to their 4-year degree.College debt is on what scale of measurement?

Accepted Answer

A)   nominal
B)   ordinal
C)   interval
D)   ratio

Question 9

Two branches of statistics are independent and dependent statistics.

Accepted Answer

A) True 
 B)False

Question 10

The procedure of converting a categorical variable to numeric values is called:

Accepted Answer

A)   deteriorating.
B)   piloting.
C)   coding.
D)   constructing.

Question 11

Which of the following measures of attraction is an example of a ratio scale measurement?

Accepted Answer

A)   a rating of attraction from most attractive to least attractive
B)   a 6-point rating scale from 1 (attractive)  to 6 (unattractive) 
C)   the status of the relationship (acquaintance, dating, married) 
D)   the physical proximity (in feet and inches)  between two romantic partners

Question 12

A consultant ranks the five most needed areas of improvement for a local business.What scale of measurement are the rankings?

Accepted Answer

A)   nominal
B)   ordinal
C)   interval
D)   ratio

Question 13

Interval scales of measurement

Accepted Answer

A)   have equidistant scales.
B)   have a true zero.
C)   have equidistant scales and a true zero.

Question 14

You are interested in measuring the construct,reinforcement.Which of the following measures for this construct is quantitative and continuous?

Accepted Answer

A)   the number of rewards received
B)   the type of reward (food, money) 
C)   the size of a reward in grams
D)   the rating of a reward on a scale from 1 (not reinforcing)  to 7 (very reinforcing)

Question 15

Which of the following describes a descriptive statistic?

Accepted Answer

A)   summarize
B)   infer
C)   generalize
D)   predict

Question 16

A rating scale measurement from 1 (completely disagree)to 7 (completely agree)is an example of continuous,qualitative data.

Accepted Answer

A) True 
 B)False

Question 17

Statistical analysis allows researchers to

Accepted Answer

A)   collect data.
B)   claim that an observation is scientific.
C)   evaluate scientific observations.
D)   study physical phenomena but not behavior.

Question 18

Researchers who measure qualitative variables can also measure those that are quantitative in the same study.

Accepted Answer

A) True 
 B)False

Question 19

You are interested in measuring the construct,work expertise.Which of the following measures for this construct is quantitative and discrete?

Accepted Answer

A)   the total time in hours spent working at a company
B)   the job title a person holds in a company
C)   the percent of correct responses on a work expertise survey
D)   the number of employees who work under an employer

Question 20

The political affiliation of participants (Democrat,Republican)is an example of discrete,qualitative data.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction to Statistics

The procedure of converting a categorical variable to numeric values is called:

Correct AnswerverifiedShow Answer

______ are measured in whole units or categories that are not distributed along a continuum.

Correct AnswerverifiedShow Answer

Two branches of statistics are independent and dependent statistics.

Correct AnswerverifiedShow Answer

A consultant ranks the five most needed areas of improvement for a local business.What scale of measurement are the rankings?

Correct AnswerverifiedShow Answer

You are interested in measuring the construct,work expertise.Which of the following measures for this construct is quantitative and discrete?

Correct AnswerverifiedShow Answer

Which of the following describes a descriptive statistic?

Correct AnswerverifiedShow Answer

Interval scales of measurement

Correct AnswerverifiedShow Answer

A score on a multiple-choice exam (0-100 points)is a ratio scale measurement.

Correct AnswerverifiedShow Answer

Three research methods common to research in the behavioral sciences are

Correct AnswerverifiedShow Answer

A rating scale measurement from 1 (completely disagree)to 7 (completely agree)is an example of continuous,qualitative data.

Correct AnswerverifiedShow Answer

The political affiliation of participants (Democrat,Republican)is an example of discrete,qualitative data.

Correct AnswerverifiedShow Answer

______ is the variable that is believed to change in the presence of the independent variable.

Correct AnswerverifiedShow Answer

Statistical analysis allows researchers to

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Researchers who measure qualitative variables can also measure those that are quantitative in the same study.

Correct AnswerverifiedShow Answer

A researcher compares the amount of college debt (in dollars) that undergraduate students incur up to their 4-year degree.College debt is on what scale of measurement?

Correct AnswerverifiedShow Answer

You are interested in measuring the construct,reinforcement.Which of the following measures for this construct is quantitative and continuous?

Correct AnswerverifiedShow Answer

A student's letter Grade (A,B,C,D,F)is a nominal scale measurement.

Correct AnswerverifiedShow Answer

Children are randomly assigned to complete a low,moderate,or high difficult task.The time (in seconds)it takes them to complete the task is recorded.In this example,the level of task difficulty is the dependent variable.

Correct AnswerverifiedShow Answer

Which of the following measures of attraction is an example of a ratio scale measurement?

Correct AnswerverifiedShow Answer

Descriptive statistics are typically presented graphically,in tabular form (in tables),or as summary statistics (single values).

Correct AnswerverifiedShow Answer

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