Question 1

Measurement of a variable that is considered valid:

Accepted Answer

A)  may still be biased. 
B)  measures what it is believed to measure. 
C)  cannot be considered reliable. 
D)  all of the above 
A)  may still be biased. 
B)  measures what it is believed to measure. 
C)  cannot be considered reliable. 
D)  all of the above B

Question 2

How could a researcher operationalize the variable "motivation for learning" among students in a course on statistics?

Accepted Answer

A)  the average percent of class attendance 
B)  the number of unsolicited student comments made in each class 
C)  answers to a question that asks students how motivated they are 
D)  all of the above 
A)  the average percent of class attendance 
B)  the number of unsolicited student comments made in each class 
C)  answers to a question that asks students how motivated they are 
D)  all of the above D

Question 3

What type of variable can assume an unlimited number of different values?

Accepted Answer

A)  continuous 
B)  discrete 
C)  dichotomous 
D)  binary 
A)  continuous 
B)  discrete 
C)  dichotomous 
D)  binary A

Question 4

Once research data has been collected, they can be used to:

Accepted Answer

A)  summarize the characteristics of the research sample or population that provided them 
B)  estimate the characteristics of the population from which a research sample was drawn 
C)  determine if a pattern of relationships between variables within a sample is likely to be a real one that exists within a population 
D)  all of the above 
A)  summarize the characteristics of the research sample or population that provided them 
B)  estimate the characteristics of the population from which a research sample was drawn 
C)  determine if a pattern of relationships between variables within a sample is likely to be a real one that exists within a population 
D)  all of the above

Question 5

Statistical analysis that examines the relationship among three or more variables simultaneously is referred to as:

Accepted Answer

A)  complex 
B)  bi-variate 
C)  univariate 
D)  multivariate 
A)  complex 
B)  bi-variate 
C)  univariate 
D)  multivariate

Question 6

Analogy: A statistic is to a research sample as is what a is to a population.

Accepted Answer

A)  summary 
B)  parameter 
C)  data set 
D)  measurement 
A)  summary 
B)  parameter 
C)  data set 
D)  measurement

Question 7

A research hypothesis that predicts that male students will be more likely to re-sell their textbooks than female students predicts a relationship of:

Accepted Answer

A)  causation 
B)  correlation 
C)  association 
D)  all of the above 
A)  causation 
B)  correlation 
C)  association 
D)  all of the above

Question 8

Evidence based practice (EBP) requires that we:

Accepted Answer

A)  never question the results of statistical analysis of research data. 
B)  rely only on research findings for our practice decision-making. 
C)  be knowledgeable about statistical analysis so that we can determine which findings of researchers are trustworthy. 
D)  all of the above 
A)  never question the results of statistical analysis of research data. 
B)  rely only on research findings for our practice decision-making. 
C)  be knowledgeable about statistical analysis so that we can determine which findings of researchers are trustworthy. 
D)  all of the above

Question 9

In a data set, what would be an example of a frequency?

Accepted Answer

A)  the number of people in the research sample 
B)  the number of different value categories listed for the variable "religious affiliation" 
C)  the number of questions in the data collection instrument 
D)  the number of people who stated that they were 28 years old 
A)  the number of people in the research sample 
B)  the number of different value categories listed for the variable "religious affiliation" 
C)  the number of questions in the data collection instrument 
D)  the number of people who stated that they were 28 years old

Question 10

In research terminology, "value" refers to:

Accepted Answer

A)  a strongly held belief. 
B)  a characteristic that tends to differ among people or objects. 
C)  a specific measurement of some variable. 
D)  the number of people who had a specific measurement of some variable. 
A)  a strongly held belief. 
B)  a characteristic that tends to differ among people or objects. 
C)  a specific measurement of some variable. 
D)  the number of people who had a specific measurement of some variable.

Question 11

Two or more binary, ratio level variables that are created from a nominal level variable are called:

Accepted Answer

A)  independent variables 
B)  dependent variables 
C)  dummy variables 
D)  continuous variables 
A)  independent variables 
B)  dependent variables 
C)  dummy variables 
D)  continuous variables

Question 12

What research question about a recent election would produce ratio level data?

Accepted Answer

A)  How satisfied were you with the results of the election? ("very satisfied," "somewhat satisfied," "very dissatisfied") 
B)  Did you watch any of the returns on TV or your computer? 
C)  How many winning candidates did you support? 
D)  Did you make any financial contribution to a candidate's campaign? 
A)  How satisfied were you with the results of the election? ("very satisfied," "somewhat satisfied," "very dissatisfied") 
B)  Did you watch any of the returns on TV or your computer? 
C)  How many winning candidates did you support? 
D)  Did you make any financial contribution to a candidate's campaign?

Question 13

In the research hypothesis, "Younger students will learn to use statistical software more quickly than older students," what is the outcome variable?

Accepted Answer

A)  age of students 
B)  number of computers previously purchased 
C)  time required to learn to use statistical software 
D)  presence or absence of math phobia 
A)  age of students 
B)  number of computers previously purchased 
C)  time required to learn to use statistical software 
D)  presence or absence of math phobia

Question 14

Which of the following would be a variable among social work students?

Accepted Answer

A)  income 
B)  life experience 
C)  motivation for seeking a degree 
D)  all of the above 
A)  income 
B)  life experience 
C)  motivation for seeking a degree 
D)  all of the above

Question 15

Which research hypothesis would be considered non-directional or two-tailed?

Accepted Answer

A)  Among social work students, males are more likely to desire a career in management than females. 
B)  Among social work students, females are more likely to desire a career in management than males. 
C)  Among social work students, males are just as likely to desire a career in management as female students. 
D)  Among social work students, males and females have different levels of desire for a career in management. 
A)  Among social work students, males are more likely to desire a career in management than females. 
B)  Among social work students, females are more likely to desire a career in management than males. 
C)  Among social work students, males are just as likely to desire a career in management as female students. 
D)  Among social work students, males and females have different levels of desire for a career in management.

Measurement of a variable that is considered valid:

How could a researcher operationalize the variable "motivation for learning" among students in a course on statistics?

What type of variable can assume an unlimited number of different values?

Once research data has been collected, they can be used to:

Statistical analysis that examines the relationship among three or more variables simultaneously is referred to as:

Analogy: A statistic is to a research sample as is what a is to a population.

A research hypothesis that predicts that male students will be more likely to re-sell their textbooks than female students predicts a relationship of:

Evidence based practice (EBP) requires that we:

In a data set, what would be an example of a frequency?

In research terminology, "value" refers to:

Two or more binary, ratio level variables that are created from a nominal level variable are called:

What research question about a recent election would produce ratio level data?

In the research hypothesis, "Younger students will learn to use statistical software more quickly than older students," what is the outcome variable?

Which of the following would be a variable among social work students?

Which research hypothesis would be considered non-directional or two-tailed?

Frequency Distributions and Graphs

Measures of Central Tendency and Variability

Normal Distributions

Hypothesis Testing: Basic Principles

Sampling Distributions, Rejection Regions, and Statistical Test Selection

T Tests and Analysis of Variance

The Chi-Square Test of Association Between Variables

Correlation Analyses

Regression Analyses

Other Ways That Statistical Analyses Contribute to Evidence-Based Practice

Filters

Exam 1: Introduction

Measurement of a variable that is considered valid:

How could a researcher operationalize the variable "motivation for learning" among students in a course on statistics?

What type of variable can assume an unlimited number of different values?

Once research data has been collected, they can be used to:

Statistical analysis that examines the relationship among three or more variables simultaneously is referred to as:

Analogy: A statistic is to a research sample as is what a is to a population.

A research hypothesis that predicts that male students will be more likely to re-sell their textbooks than female students predicts a relationship of:

Evidence based practice (EBP) requires that we:

In a data set, what would be an example of a frequency?

In research terminology, "value" refers to:

Two or more binary, ratio level variables that are created from a nominal level variable are called:

What research question about a recent election would produce ratio level data?

In the research hypothesis, "Younger students will learn to use statistical software more quickly than older students," what is the outcome variable?

Which of the following would be a variable among social work students?

Which research hypothesis would be considered non-directional or two-tailed?

Frequency Distributions and Graphs

Measures of Central Tendency and Variability

Normal Distributions

Hypothesis Testing: Basic Principles

Sampling Distributions, Rejection Regions, and Statistical Test Selection

T Tests and Analysis of Variance

The Chi-Square Test of Association Between Variables

Correlation Analyses

Regression Analyses

Other Ways That Statistical Analyses Contribute to Evidence-Based Practice

Filters