Question 1

Univariate analysis is the examination of the distribution of cases on only one variable at a time.​

Accepted Answer

A) True 
 B)False

Question 2

An example of multivariate analysis would be​

Accepted Answer

A)  ​an examination of the ages of all women who are corporate executives. 
B)  ​an analysis of the relationship among age, sex, and type of nightspot frequented in a given city in the Midwest. 
C)  ​an analysis of the relationship that exists between types of undergraduate major and position held in business. 
D)  ​an analysis of the relationship between type of offense and length of prison sentence for those who had a jury trial. 
A)  ​an examination of the ages of all women who are corporate executives. 
B)  ​an analysis of the relationship among age, sex, and type of nightspot frequented in a given city in the Midwest. 
C)  ​an analysis of the relationship that exists between types of undergraduate major and position held in business. 
D)  ​an analysis of the relationship between type of offense and length of prison sentence for those who had a jury trial.

Question 3

Which of the following guidelines should be kept in mind when coding?​

Accepted Answer

A)  ​the coding scheme should be appropriate to the analysis intended in the study. 
B)  ​data should be coded in less detail than the researcher intends to use in the analysis. 
C)  ​the reliability of the coders can be assumed. 
D)  ​Codes cannot be generated from data that has already been collected. 
A)  ​the coding scheme should be appropriate to the analysis intended in the study. 
B)  ​data should be coded in less detail than the researcher intends to use in the analysis. 
C)  ​the reliability of the coders can be assumed. 
D)  ​Codes cannot be generated from data that has already been collected.

Question 4

What is the purpose of data cleaning? How is it done?

Accepted Answer

The purpose of data cleaning is to ensur

Question 5

Provide an example of how descriptive statistics can be used in qualitative research.

Accepted Answer

Descriptive statistics can be used in qu

Question 6

Which of the following statements is true about data processing?​

Accepted Answer

A)  It is best to run your data analyses immediately after you enter your data.​ 
B)  ​Computers will automatically correct data entry errors. 
C)  ​Using possible code cleaning, you examine the distribution of responses to each item to see if some responses exist for codes you didn't use. 
D)  ​None of these statements is true 
A)  It is best to run your data analyses immediately after you enter your data.​ 
B)  ​Computers will automatically correct data entry errors. 
C)  ​Using possible code cleaning, you examine the distribution of responses to each item to see if some responses exist for codes you didn't use. 
D)  ​None of these statements is true

Question 7

In a well-constructed table, readers will have to read the narrative text of the report before they will be able to tell what each variable in the table is and interpret the overall meaning of the table.

Accepted Answer

A) True 
 B)False

Question 8

It is normally distributed.​

Accepted Answer

A)  ​It is normally distributed. 
B)  ​Some people attended much more than 20 sessions. 
C)  ​Most people attended about 15 to 20 sessions. 
D)  ​More than half the sample attended exactly 10 sessions. 
A)  ​It is normally distributed. 
B)  ​Some people attended much more than 20 sessions. 
C)  ​Most people attended about 15 to 20 sessions. 
D)  ​More than half the sample attended exactly 10 sessions.

Question 9

Which of the following illustrates a grouped data frequency distribution?​

Accepted Answer

A)  ​36 students are enrolled in introductory statistics, section A. 
B)  ​5 new students have been accepted on the editorial staff of their school paper. Two of the students are 18 years of age, one is 19 years, and two are 21 years of age. 
C)  ​of the 20 female students living in a housing complex, 10 are under 20 years of age, one is between 20 and 25 years, seven are between 26 and 30 years, and two are above 30 years. 
D)  ​none of these. 
A)  ​36 students are enrolled in introductory statistics, section A. 
B)  ​5 new students have been accepted on the editorial staff of their school paper. Two of the students are 18 years of age, one is 19 years, and two are 21 years of age. 
C)  ​of the 20 female students living in a housing complex, 10 are under 20 years of age, one is between 20 and 25 years, seven are between 26 and 30 years, and two are above 30 years. 
D)  ​none of these.

Question 10

A codebook is a guide for locating variables and interpreting entries in one's data file.

Accepted Answer

A) True 
 B)False

Question 11

A measure of dispersion describes​

Accepted Answer

A)  ​where the data are clustered. 
B)  ​which data are the most important. 
C)  ​how spread out the data are. 
D)  ​the central tendency. 
A)  ​where the data are clustered. 
B)  ​which data are the most important. 
C)  ​how spread out the data are. 
D)  ​the central tendency.

Question 12

The following is an acceptable coding scheme for the variable "religion": 1=Protestant, 2=Catholic, 3=Jewish, 9=Not reported.

Accepted Answer

A) True 
 B)False

Question 13

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should​

Accepted Answer

A)  ​assume this is a random error and ignore it. 
B)  ​do possible-code cleaning. 
C)  ​do contingency cleaning. 
D)  do some data analysis.​ 
E)  ​none of the above. 
A)  ​assume this is a random error and ignore it. 
B)  ​do possible-code cleaning. 
C)  ​do contingency cleaning. 
D)  do some data analysis.​ 
E)  ​none of the above.

Question 14

The most frequent attribute, in either grouped or ungrouped data, is the​

Accepted Answer

A)  ​mean. 
B)  ​median. 
C)  ​mode. 
D)  ​range. 
E)  marginal.​ 
A)  ​mean. 
B)  ​median. 
C)  ​mode. 
D)  ​range. 
E)  marginal.​

Question 15

A research article reports that the number of group treatment sessions attended by a sample was normally distributed, with a mean of 20 and a standard deviation of 6. Which of the following statements is/are true about the sample?​

Accepted Answer

A)  ​Over 75% attended at least 20 sessions. 
B)  ​Over one-third attended more than 26 sessions. 
C)  ​Slightly more than 15 % attended less than 14 sessions. 
D)  ​Slightly more than 15 % attended less than 8 sessions. 
A)  ​Over 75% attended at least 20 sessions. 
B)  ​Over one-third attended more than 26 sessions. 
C)  ​Slightly more than 15 % attended less than 14 sessions. 
D)  ​Slightly more than 15 % attended less than 8 sessions.

Question 16

Half the cases are above the median and half the cases are below the median.

Accepted Answer

A) True 
 B)False

Question 17

An interval variable is a discrete variable.

Accepted Answer

A) True 
 B)False

Question 18

The mean is almost always sufficient in portraying the typical case in a distribution.

Accepted Answer

A) True 
 B)False

Exam 21: Descriptive Data Analysis

Univariate analysis is the examination of the distribution of cases on only one variable at a time.​

An example of multivariate analysis would be​

Which of the following guidelines should be kept in mind when coding?​

What is the purpose of data cleaning? How is it done?

Provide an example of how descriptive statistics can be used in qualitative research.

Which of the following statements is true about data processing?​

In a well-constructed table, readers will have to read the narrative text of the report before they will be able to tell what each variable in the table is and interpret the overall meaning of the table.

It is normally distributed.​

Which of the following illustrates a grouped data frequency distribution?​

A codebook is a guide for locating variables and interpreting entries in one's data file.

A measure of dispersion describes​

The following is an acceptable coding scheme for the variable "religion": 1=Protestant, 2=Catholic, 3=Jewish, 9=Not reported.

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should​

The most frequent attribute, in either grouped or ungrouped data, is the​

A research article reports that the number of group treatment sessions attended by a sample was normally distributed, with a mean of 20 and a standard deviation of 6. Which of the following statements is/are true about the sample?​

Half the cases are above the median and half the cases are below the median.

An interval variable is a discrete variable.

The mean is almost always sufficient in portraying the typical case in a distribution.

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

Univariate analysis is the examination of the distribution of cases on only one variable at a time.

An example of multivariate analysis would be

Which of the following guidelines should be kept in mind when coding?

Which of the following statements is true about data processing?

It is normally distributed.

Which of the following illustrates a grouped data frequency distribution?

A measure of dispersion describes

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should

The most frequent attribute, in either grouped or ungrouped data, is the

A research article reports that the number of group treatment sessions attended by a sample was normally distributed, with a mean of 20 and a standard deviation of 6. Which of the following statements is/are true about the sample?