Question 1

The following information was found in a codebook about social work students:  
-Which of the following statements is true concerning the codebook?

Accepted Answer

A)  ​The variables in this codebook are male, female, and concentration. 
B)  ​Gender has been coded so that the categories are mutually exclusive and exhaustive. 
C)  ​Concentration has been coded so that the categories are mutually exclusive and exhaustive. 
D)  ​None of these statements is true. 
A)  ​The variables in this codebook are male, female, and concentration. 
B)  ​Gender has been coded so that the categories are mutually exclusive and exhaustive. 
C)  ​Concentration has been coded so that the categories are mutually exclusive and exhaustive. 
D)  ​None of these statements is true. B

Question 2

Grouped data are created through the combination of attributes of a variable.

Accepted Answer

A) True 
 B)False  True

Question 3

A researcher measured attitudes about a proposed health reform bill with the categories strongly agree, agree, indifferent, disagree, and strongly disagree. The researcher was using the ______ level of measurement.​

Accepted Answer

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

Question 4

A bivariate table is read by comparing the independent variablesubgroups with one another in terms of a given attribute of thedependent variable.

Accepted Answer

A) True 
 B)False

Question 5

Professor Jones asked respondents for the exact number of times they had to evacuate their home because of a hurricane. Jones, therefore, is measuring this variable at the ________ level.​

Accepted Answer

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

Question 6

The mean or median can be used to describe the central tendency of the variable "ethnicity."

Accepted Answer

A) True 
 B)False

Question 7

No detail is lost when using an ungrouped frequency distribution.

Accepted Answer

A) True 
 B)False

Question 8

What is a codebook? Construct a codebook for the following questionnaire items:
(a) Gender
( ) male
( ) female
(b) Age at last birthday
(c) How many brothers and sisters do you have? (Count only those who are now alive. Include stepbrothers and stepsisters and children adopted by your parents.)
d) What is your marital status
( ) married
( ) widowed
( ) divorced
( ) separated
( ) never married

Accepted Answer

A codebook is a document that provides a

Question 9

Given the following values, the median is 4, 8, 5, 11, 13, 7, 9, 10, 3​

Accepted Answer

A)  8​ 
B)  ​13 
C)  ​7.8 
D)  ​5 
A)  8​ 
B)  ​13 
C)  ​7.8 
D)  ​5

Question 10

Which of the following measures of central tendency can be used at any level of measurement?​

Accepted Answer

A)  ​Mean 
B)  ​Mode 
C)  ​Median 
D)  ​Standard deviation 
A)  ​Mean 
B)  ​Mode 
C)  ​Median 
D)  ​Standard deviation

Question 11

In reading a table that someone else has constructed, the rule of thumb is​

Accepted Answer

A)  ​if the table is percentaged down, read across, and if the table is percentaged across, read down. 
B)  ​if the table is percentaged down, read down. 
C)  ​if the table is percentaged across, read across. 
D)  ​The direction you read does not matter. 
A)  ​if the table is percentaged down, read across, and if the table is percentaged across, read down. 
B)  ​if the table is percentaged down, read down. 
C)  ​if the table is percentaged across, read across. 
D)  ​The direction you read does not matter.

Question 12

​Given the following age distribution, the mean is 16, 31, 5, 30, 4, 3, 2

Accepted Answer

A)  2​ 
B)  ​5 
C)  ​13 
D)  ​30 
A)  2​ 
B)  ​5 
C)  ​13 
D)  ​30

Question 13

Why do percentages allow us to compare two or more frequency distributions? Give examples.

Accepted Answer

Percentages allow us to compare two or m

Question 14

Using a hypothetical example, illustrate how blending descriptive statistics with a qualitative inquiry can enhance the value of the qualitative inquiry as well as the interpretation of the descriptive statistics.

Accepted Answer

Sure! Let's say we are conducting a stud

Question 15

Coding refers to​

Accepted Answer

A)  ​the assignment of a number or numeral to the attributes of a variable. 
B)  ​the assignment of a row in a data matrix to each questionnaire item. 
C)  ​the assignment of a number or numeral to each questionnaire item. 
D)  ​transferring variables to the computer. 
E)  ​the assignment of a variable to a computer column. 
A)  ​the assignment of a number or numeral to the attributes of a variable. 
B)  ​the assignment of a row in a data matrix to each questionnaire item. 
C)  ​the assignment of a number or numeral to each questionnaire item. 
D)  ​transferring variables to the computer. 
E)  ​the assignment of a variable to a computer column.

Question 16

The range is smaller than the interquartile range.

Accepted Answer

A) True 
 B)False

Question 17

The following line of coded data applies to the codebook given in question 5:121. This line of codes​

Accepted Answer

A)  ​represents a full-time female student with a direct practice concentration. 
B)  ​represents a full-time male student with a clinical concentration. 
C)  ​represents a part-time male student with a mental health concentration. 
D)  ​represents a part-time female student with a micro concentration. 
A)  ​represents a full-time female student with a direct practice concentration. 
B)  ​represents a full-time male student with a clinical concentration. 
C)  ​represents a part-time male student with a mental health concentration. 
D)  ​represents a part-time female student with a micro concentration.

Question 18

If the standard deviation equals 0, we may conclude​

Accepted Answer

A)  ​that there is no dispersion in the data. 
B)  ​that the mean is a poor measure of the average. 
C)  ​that the data have a great deal of dispersion. 
D)  ​The mode is 0. 
A)  ​that there is no dispersion in the data. 
B)  ​that the mean is a poor measure of the average. 
C)  ​that the data have a great deal of dispersion. 
D)  ​The mode is 0.

Question 19

A researcher believes that a person's occupation affects his or her political party preference. Given the following data on occupation and political party preference, construct a contingency table. Percentage the table and interpret your results.
​

Accepted Answer

The answer of A researcher believes that a person's occupation...

Question 20

Assuming that there are no missing data, which line of three codes would reflect a data entry error for at least one of the following three variables: gender male or female; whether currently incarcerated yes or no; and ethnicity White/not Hispanic, African American, Hispanic, Asian American, Other?​

Accepted Answer

A)  ​2 2 3 
B)  ​3 3 6 
C)  ​1 2 4 
D)  ​2 1 5 
A)  ​2 2 3 
B)  ​3 3 6 
C)  ​1 2 4 
D)  ​2 1 5

Exam 21: Descriptive Data Analysis

The following information was found in a codebook about social work students: -Which of the following statements is true concerning the codebook?

Grouped data are created through the combination of attributes of a variable.

A researcher measured attitudes about a proposed health reform bill with the categories strongly agree, agree, indifferent, disagree, and strongly disagree. The researcher was using the ______ level of measurement.​

A bivariate table is read by comparing the independent variablesubgroups with one another in terms of a given attribute of thedependent variable.

Professor Jones asked respondents for the exact number of times they had to evacuate their home because of a hurricane. Jones, therefore, is measuring this variable at the ________ level.​

The mean or median can be used to describe the central tendency of the variable "ethnicity."

No detail is lost when using an ungrouped frequency distribution.

Given the following values, the median is 4, 8, 5, 11, 13, 7, 9, 10, 3​

Which of the following measures of central tendency can be used at any level of measurement?​

In reading a table that someone else has constructed, the rule of thumb is​

​Given the following age distribution, the mean is 16, 31, 5, 30, 4, 3, 2

Why do percentages allow us to compare two or more frequency distributions? Give examples.

Using a hypothetical example, illustrate how blending descriptive statistics with a qualitative inquiry can enhance the value of the qualitative inquiry as well as the interpretation of the descriptive statistics.

Coding refers to​

The range is smaller than the interquartile range.

The following line of coded data applies to the codebook given in question 5:121. This line of codes​

If the standard deviation equals 0, we may conclude​

A researcher believes that a person's occupation affects his or her political party preference. Given the following data on occupation and political party preference, construct a contingency table. Percentage the table and interpret your results. ​

Why Study Research

Evidence-Based Practice

Factors Influencing the Research Process

Comparing Quantitative, Qualitative, and Mixed Methods of Inquiry

The Ethics and Politics of Social Work Research

Culturally Competent Research

Problem Formulation

Conceptualization in Quantitative and Qualitative Inquiry

Measurement

Constructing Measurement Instruments

Causal Inference and Experimental Designs

Quasi-Experimental Designs

Single-Case Evaluation Designs

Program Evaluation

Sampling

Survey Research

Analyzing Existing Data: Quantitative and Qualitative Methods

Qualitative Research: General Principles

Qualitative Research: Specific Methods

Qualitative Data Analysis

Inferential Data Analysis

Writing Research Proposals and Reports

Filters

A researcher measured attitudes about a proposed health reform bill with the categories strongly agree, agree, indifferent, disagree, and strongly disagree. The researcher was using the ______ level of measurement.

Professor Jones asked respondents for the exact number of times they had to evacuate their home because of a hurricane. Jones, therefore, is measuring this variable at the ________ level.

Given the following values, the median is 4, 8, 5, 11, 13, 7, 9, 10, 3

Which of the following measures of central tendency can be used at any level of measurement?

In reading a table that someone else has constructed, the rule of thumb is

Given the following age distribution, the mean is 16, 31, 5, 30, 4, 3, 2

Coding refers to

The following line of coded data applies to the codebook given in question 5:121. This line of codes

If the standard deviation equals 0, we may conclude

A researcher believes that a person's occupation affects his or her political party preference. Given the following data on occupation and political party preference, construct a contingency table. Percentage the table and interpret your results.