Question 1

A researcher flips a coin to assign each participant to either A group or B group. This is considered random assignment.

Accepted Answer

A) True 
 B)False  True

Question 2

Which letter represents an extraneous variable?

Accepted Answer

A)  x 
B)  y 
C)  z 
D)  q 
A)  x 
B)  y 
C)  z 
D)  q C

Question 3

Collecting data after the intervention is called conducting a(n) ______.

Accepted Answer

A)  posttest 
B)  pretest 
C)  test 
D)  retest 
A)  posttest 
B)  pretest 
C)  test 
D)  retest A

Question 4

A(n) ______ case study is a research design where there is only one group, one intervention, and no pretest.

Accepted Answer

A)  two-short 
B)  one-short 
C)  one-shot 
D)  two-shot 
A)  two-short 
B)  one-short 
C)  one-shot 
D)  two-shot

Question 5

Which of the following would most likely create a history threat?

Accepted Answer

A)  The weather changes between the time of the pretest date and the posttest date. 
B)  A person grows older between the time of the pretest date and the posttest date. 
C)  One of the test administrators dies between the time of the pretest date and the posttest date so the posttest is given by someone different than the pretest. 
D)  Research subjects learn that they are all being evicted from their homes between the time of the pretest date and the posttest date. 
A)  The weather changes between the time of the pretest date and the posttest date. 
B)  A person grows older between the time of the pretest date and the posttest date. 
C)  One of the test administrators dies between the time of the pretest date and the posttest date so the posttest is given by someone different than the pretest. 
D)  Research subjects learn that they are all being evicted from their homes between the time of the pretest date and the posttest date.

Question 6

In a pre-experimental design, which of the following is manipulated in order to observe changes?

Accepted Answer

A)  independent variable 
B)  dependent variable 
C)  interdependent variable 
D)  determinate variable 
A)  independent variable 
B)  dependent variable 
C)  interdependent variable 
D)  determinate variable

Question 7

Why might a participant participate in research?

Accepted Answer

Answers may include the following: Indiv

Question 8

What is a wait-list control design or wait-list comparison design?

Accepted Answer

Answers should include that this is a wa

Question 9

To assess the impact of an intervention, what two tests should be compared?

Accepted Answer

A)  pretest and intervention test 
B)  intervention test and posttest 
C)  intervention test and retest 
D)  pretest and posttest 
A)  pretest and intervention test 
B)  intervention test and posttest 
C)  intervention test and retest 
D)  pretest and posttest

Question 10

Which type of variable explains or causes the change in the dependent variable?

Accepted Answer

A)  dependent 
B)  determinate 
C)  independent 
D)  indeterminate 
A)  dependent 
B)  determinate 
C)  independent 
D)  indeterminate

Question 11

In a pre-experimental design, which of the following is the dependent variable?

Accepted Answer

A)  pretest results 
B)  the outcome 
C)  the cause 
D)  posttest results 
A)  pretest results 
B)  the outcome 
C)  the cause 
D)  posttest results

Question 12

Can a researcher study the impact of two simultaneous interventions within one study?

Accepted Answer

A)  No, they would need to study the impact of three or more simultaneous interventions. 
B)  No, this would make it impossible to know which one caused the change. 
C)  Yes, this increases the odds that the desired result would occur. 
D)  Yes, this would allow subjects to choose which intervention they wanted to receive. 
A)  No, they would need to study the impact of three or more simultaneous interventions. 
B)  No, this would make it impossible to know which one caused the change. 
C)  Yes, this increases the odds that the desired result would occur. 
D)  Yes, this would allow subjects to choose which intervention they wanted to receive.

Question 13

When participants are randomly assigned, what does a change to the group indicate?

Accepted Answer

A)  happy participants 
B)  the impact of the researchers on the participants 
C)  the impact of the intervention 
D)  unhappy participants 
A)  happy participants 
B)  the impact of the researchers on the participants 
C)  the impact of the intervention 
D)  unhappy participants

Question 14

Data from pre-experimental designs are analyzed using inferential statistics such as ______.

Accepted Answer

A)  a-tests 
B)  q-tests 
C)  z-tests 
D)  x-tests 
A)  a-tests 
B)  q-tests 
C)  z-tests 
D)  x-tests

Question 15

In a one-shot case study, there is not posttest.

Accepted Answer

A) True 
 B)False

Question 16

Social work researchers should engage in ethical decision-making at ______ stage(s) of the research process.

Accepted Answer

A)  the first 
B)  the last 
C)  every 
D)  periodic 
A)  the first 
B)  the last 
C)  every 
D)  periodic

Question 17

When might maturation impact a study?

Accepted Answer

A)  if the researcher has a birthday during the research process 
B)  if the participants become older during the research study 
C)  if the researcher gets bored during the length of the study 
D)  if the participants become wiser over the passage of time in a lengthy study 
A)  if the researcher has a birthday during the research process 
B)  if the participants become older during the research study 
C)  if the researcher gets bored during the length of the study 
D)  if the participants become wiser over the passage of time in a lengthy study

Question 18

Which of the following is a variable being explained or caused?

Accepted Answer

A)  dependent 
B)  determinate 
C)  independent 
D)  indeterminate 
A)  dependent 
B)  determinate 
C)  independent 
D)  indeterminate

Question 19

Why is random assignment done?

Accepted Answer

Answer should include the following: ass

Question 20

When conducting a pretest, researchers are collecting what knowledge a subject has ______ the intervention.

Accepted Answer

A)  before 
B)  during 
C)  after 
A)  before 
B)  during 
C)  after

A researcher flips a coin to assign each participant to either A group or B group. This is considered random assignment.

Which letter represents an extraneous variable?

Collecting data after the intervention is called conducting a(n) ______.

A(n) ______ case study is a research design where there is only one group, one intervention, and no pretest.

Which of the following would most likely create a history threat?

In a pre-experimental design, which of the following is manipulated in order to observe changes?

Why might a participant participate in research?

What is a wait-list control design or wait-list comparison design?

To assess the impact of an intervention, what two tests should be compared?

Which type of variable explains or causes the change in the dependent variable?

In a pre-experimental design, which of the following is the dependent variable?

Can a researcher study the impact of two simultaneous interventions within one study?

When participants are randomly assigned, what does a change to the group indicate?

Data from pre-experimental designs are analyzed using inferential statistics such as ______.

In a one-shot case study, there is not posttest.

Social work researchers should engage in ethical decision-making at ______ stage(s) of the research process.

When might maturation impact a study?

Which of the following is a variable being explained or caused?

Why is random assignment done?

When conducting a pretest, researchers are collecting what knowledge a subject has ______ the intervention.

Evidence-Based Practice

Research Ethics

The Research Process

Problem Formulation

Measurement

Quasi-Experimental Design

Qualitative Research

Mixed-Methods Research

Observational Research

Sampling

Survey Research

Quantitative Data Analysis

Qualitative Data Analysis

Single-Case Design Evaluation

Program Evaluation

Filters

Exam 6: Experimental Design

A researcher flips a coin to assign each participant to either A group or B group. This is considered random assignment.

Which letter represents an extraneous variable?

Collecting data after the intervention is called conducting a(n) ______.

A(n) ______ case study is a research design where there is only one group, one intervention, and no pretest.

Which of the following would most likely create a history threat?

In a pre-experimental design, which of the following is manipulated in order to observe changes?

Why might a participant participate in research?

What is a wait-list control design or wait-list comparison design?

To assess the impact of an intervention, what two tests should be compared?

Which type of variable explains or causes the change in the dependent variable?

In a pre-experimental design, which of the following is the dependent variable?

Can a researcher study the impact of two simultaneous interventions within one study?

When participants are randomly assigned, what does a change to the group indicate?

Data from pre-experimental designs are analyzed using inferential statistics such as ______.

In a one-shot case study, there is not posttest.

Social work researchers should engage in ethical decision-making at ______ stage(s) of the research process.

When might maturation impact a study?

Which of the following is a variable being explained or caused?

Why is random assignment done?

When conducting a pretest, researchers are collecting what knowledge a subject has ______ the intervention.

Evidence-Based Practice

Research Ethics

The Research Process

Problem Formulation

Measurement

Quasi-Experimental Design

Qualitative Research

Mixed-Methods Research

Observational Research

Sampling

Survey Research

Quantitative Data Analysis

Qualitative Data Analysis

Single-Case Design Evaluation

Program Evaluation

Filters