Question 1

A technique used to statistically equate groups that differ on a pretest or some other variable or variables is called:

Accepted Answer

A)  Analysis of covariance 
B)  Counterbalancing 
C)  Matching 
D)  Carry over effect 
A)  Analysis of covariance 
B)  Counterbalancing 
C)  Matching 
D)  Carry over effect

Question 2

Angelique is conducting research in her classroom. She is interested in comparing the effectiveness of different instructional strategies on test scores. Her study is an example of a(n):

Accepted Answer

A)  Laboratory experiment 
B)  Internet experiment 
C)  Qualitative experiment 
D)  Field experiment 
A)  Laboratory experiment 
B)  Internet experiment 
C)  Qualitative experiment 
D)  Field experiment

Question 3

The best way to equate groups in experimental research is through:

Accepted Answer

A)  Matching 
B)  Holding extraneous variables constant 
C)  Using an analysis of covariance 
D)  Random assignment 
A)  Matching 
B)  Holding extraneous variables constant 
C)  Using an analysis of covariance 
D)  Random assignment

Question 4

Weak experimental research designs:

Accepted Answer

A)  Should be used in educational settings 
B)  Control confounding extraneous variables 
C)  Always have a control group 
D)  Do not control for confounding extraneous variables 
A)  Should be used in educational settings 
B)  Control confounding extraneous variables 
C)  Always have a control group 
D)  Do not control for confounding extraneous variables

Question 5

At Main Street Elementary School, the third grade teachers wanted to compare four different ways of teaching spelling. Each quarter all of the teachers used the same instructional strategy for teaching spelling and they used a different strategy each quarter. They recorded students' grades in spelling each quarter. This is an example of a:

Accepted Answer

A)  Repeated measures design 
B)  Posttest only design 
C)  Randomized controlled trial design 
D)  Posttest only control group design 
A)  Repeated measures design 
B)  Posttest only design 
C)  Randomized controlled trial design 
D)  Posttest only control group design

Question 6

In which of the following examples is the independent variable manipulated by the presence versus absence technique?

Accepted Answer

A)  In one experimental condition teachers receive in-service training. In the other condition, the teachers receive no training. 
B)  In one experimental condition teachers receive in-service training. In the other experimental condition the teachers receive a written training document for study. 
C)  In one experimental condition, the teachers receive one day of in-service training. In the second condition, the teachers receive two days of training. In the third condition, the teachers receive three days of training. 
D)  In one experimental condition teachers receive in-service training from a college professor. In the second condition, the teachers receive in-service training from a peer. 
A)  In one experimental condition teachers receive in-service training. In the other condition, the teachers receive no training. 
B)  In one experimental condition teachers receive in-service training. In the other experimental condition the teachers receive a written training document for study. 
C)  In one experimental condition, the teachers receive one day of in-service training. In the second condition, the teachers receive two days of training. In the third condition, the teachers receive three days of training. 
D)  In one experimental condition teachers receive in-service training from a college professor. In the second condition, the teachers receive in-service training from a peer.

Question 7

Use the following to answer questions 
A researcher is looking at the effects of competition versus cooperation on learning a foreign language. She theorizes that Ability level will interact with type of instruction to influence foreign language learning. The dependent variable is the number of points on a 100-point Spanish test. The means for the results are in the table below. 
 
-There is a main effect of Ability level.

Accepted Answer

A) True 
 B)False

Question 8

John's performance on the second day of an experiment was influenced by his performance on the task the previous day. This is an example of a carryover effect.

Accepted Answer

A) True 
 B)False

Question 9

Use the following to answer Questions
A researcher is looking at the effects of competition versus cooperation on mathematics learning. She theorizes that anxiety will interact with type of instruction to influence math learning. The dependent variable is the number of points on a 100 point mathematics test. The means for the study results are shown in the table below. 
 
-Which of the following inferences is likely true based on the pattern of results?

Accepted Answer

A)  Instructional effects are the same whether someone has high or low anxiety. 
B)  Instructional type has no impact on the effectiveness of instruction. 
C)  High anxiety individuals are influenced more by instructional type than low anxiety individuals. 
D)  Anxiety has no impact on the effectiveness of instruction. 
A)  Instructional effects are the same whether someone has high or low anxiety. 
B)  Instructional type has no impact on the effectiveness of instruction. 
C)  High anxiety individuals are influenced more by instructional type than low anxiety individuals. 
D)  Anxiety has no impact on the effectiveness of instruction.

Question 10

Use the following to answer Questions
A researcher is looking at the effects of competition versus cooperation on mathematics learning. She theorizes that anxiety will interact with type of instruction to influence math learning. The dependent variable is the number of points on a 100 point mathematics test. The means for the study results are shown in the table below. 
 
-Which of the following is NOT likely to be true?

Accepted Answer

A)  There is an interaction between Anxiety and Instruction. 
B)  There is a main effect of type of instruction. 
C)  There is a main effect of anxiety. 
D)  The manipulations did not have an effect. 
A)  There is an interaction between Anxiety and Instruction. 
B)  There is a main effect of type of instruction. 
C)  There is a main effect of anxiety. 
D)  The manipulations did not have an effect.

Question 11

A serious problem with the posttest-only design with nonequivalent groups design is differential selection.

Accepted Answer

A) True 
 B)False

Question 12

In Randomized Controlled Trials, there is random assignment and participants do not know if they are in the experimental or control group.

Accepted Answer

A) True 
 B)False

Question 13

Explain how experiments produce evidence of causality.

Accepted Answer

Experiments produce evidence of causalit

Question 14

John has a new speed reading program he wants to test. He trains 10 people on the program and then measures their reading speed. John used which design?

Accepted Answer

A)  One-group posttest-only design 
B)  One-group pretest-posttest design 
C)  Posttest-only design with nonequivalent groups 
D)  Nonequivalent posttest-only design 
A)  One-group posttest-only design 
B)  One-group pretest-posttest design 
C)  Posttest-only design with nonequivalent groups 
D)  Nonequivalent posttest-only design

Question 15

Explain the different ways of controlling the influence of potentially confounding variables.

Accepted Answer

Controlling the influence of potentially

Question 16

A researcher did not think that gender influenced the amount of time it takes people to tie their shoes so he conducted his shoe tying study with girls. This is which type of control strategy?

Accepted Answer

A)  Matching 
B)  Counterbalancing 
C)  Holding the extraneous variable constant 
D)  Including the extraneous variable in the research design. 
A)  Matching 
B)  Counterbalancing 
C)  Holding the extraneous variable constant 
D)  Including the extraneous variable in the research design.

Question 17

The effect of one independent variable in a factorial design is called:

Accepted Answer

A)  A main effect 
B)  A cell 
C)  An interaction effect 
D)  Counterbalancing 
A)  A main effect 
B)  A cell 
C)  An interaction effect 
D)  Counterbalancing

Question 18

An experiment was conducted to determine if gender of the teacher and the amount of eye contact by the teacher influenced students' liking of the teacher. Students were randomly assigned to groups that had either a male or female teacher who made little, moderate, or sustained eye contact while giving students a lecture on career choices. At the end of the lecture the students were asked to rate their liking of the teacher. In this design, which of the following outcomes would indicate an interaction effect?

Accepted Answer

A)  Male and female teachers are liked more with longer eye contact. 
B)  Male and female teachers are liked less with longer eye contact 
C)  Male teachers are liked more with longer eye contact but duration of eye contact has no effect on the liking of female teachers 
D)  All of the above are interaction effects 
A)  Male and female teachers are liked more with longer eye contact. 
B)  Male and female teachers are liked less with longer eye contact 
C)  Male teachers are liked more with longer eye contact but duration of eye contact has no effect on the liking of female teachers 
D)  All of the above are interaction effects

Question 19

A researcher is interested in the effects of a preschool program on later school performance. Because she is concerned that socio-economic status (SES) is a potential extraneous variable in her study, she picks children to study who are only from low SES homes. The control technique she used in this study was:

Accepted Answer

A)  Matching 
B)  Random assignment 
C)  Holding the extraneous variable constant 
D)  Statistically controlling the extraneous variable 
A)  Matching 
B)  Random assignment 
C)  Holding the extraneous variable constant 
D)  Statistically controlling the extraneous variable

Question 20

Experiments provide evidence of causality by controlling extraneous and confounding variables, varying other variables, and observing the impact on the dependent variable.

Accepted Answer

A) True 
 B)False

A technique used to statistically equate groups that differ on a pretest or some other variable or variables is called:

Angelique is conducting research in her classroom. She is interested in comparing the effectiveness of different instructional strategies on test scores. Her study is an example of a(n):

The best way to equate groups in experimental research is through:

Weak experimental research designs:

In which of the following examples is the independent variable manipulated by the presence versus absence technique?

John's performance on the second day of an experiment was influenced by his performance on the task the previous day. This is an example of a carryover effect.

A serious problem with the posttest-only design with nonequivalent groups design is differential selection.

In Randomized Controlled Trials, there is random assignment and participants do not know if they are in the experimental or control group.

Explain how experiments produce evidence of causality.

John has a new speed reading program he wants to test. He trains 10 people on the program and then measures their reading speed. John used which design?

Explain the different ways of controlling the influence of potentially confounding variables.

A researcher did not think that gender influenced the amount of time it takes people to tie their shoes so he conducted his shoe tying study with girls. This is which type of control strategy?

The effect of one independent variable in a factorial design is called:

Experiments provide evidence of causality by controlling extraneous and confounding variables, varying other variables, and observing the impact on the dependent variable.

Introduction to Educational Research

Quantitative, Qualitative, and Mixed Research

Action Research for Lifelong Learning

How to Review the Literature and Develop Research Questions

How to Write a Research Proposal

Research Ethics

Standardized Measurement and Assessment

How to Construct a Questionnaire

Methods of Data Collection

Sampling in Quantitative, Qualitative, and Mixed Research

Validity of Research Results in Quantitative, Qualitative, and Mixed Research

Experimental Research: Quasi and Single-Case Designs

Nonexperimental Quantitative Research

Narrative Inquiry and Case Study Research

Phenomenology, Ethnography, and Grounded Theory

Mixed Research

Descriptive Statistics

Inferential Statistics

Data Analysis in Qualitative and Mixed Research

How to Prepare a Research Report and Use Apa Style Guidelines

Filters

Exam 12: Experimental Research: Weak and Strong Designs

A technique used to statistically equate groups that differ on a pretest or some other variable or variables is called:

Angelique is conducting research in her classroom. She is interested in comparing the effectiveness of different instructional strategies on test scores. Her study is an example of a(n):

The best way to equate groups in experimental research is through:

Weak experimental research designs:

In which of the following examples is the independent variable manipulated by the presence versus absence technique?

John's performance on the second day of an experiment was influenced by his performance on the task the previous day. This is an example of a carryover effect.

A serious problem with the posttest-only design with nonequivalent groups design is differential selection.

In Randomized Controlled Trials, there is random assignment and participants do not know if they are in the experimental or control group.

Explain how experiments produce evidence of causality.

John has a new speed reading program he wants to test. He trains 10 people on the program and then measures their reading speed. John used which design?

Explain the different ways of controlling the influence of potentially confounding variables.

A researcher did not think that gender influenced the amount of time it takes people to tie their shoes so he conducted his shoe tying study with girls. This is which type of control strategy?

The effect of one independent variable in a factorial design is called:

Experiments provide evidence of causality by controlling extraneous and confounding variables, varying other variables, and observing the impact on the dependent variable.

Introduction to Educational Research

Quantitative, Qualitative, and Mixed Research

Action Research for Lifelong Learning

How to Review the Literature and Develop Research Questions

How to Write a Research Proposal

Research Ethics

Standardized Measurement and Assessment

How to Construct a Questionnaire

Methods of Data Collection

Sampling in Quantitative, Qualitative, and Mixed Research

Validity of Research Results in Quantitative, Qualitative, and Mixed Research

Experimental Research: Quasi and Single-Case Designs

Nonexperimental Quantitative Research

Narrative Inquiry and Case Study Research

Phenomenology, Ethnography, and Grounded Theory

Mixed Research

Descriptive Statistics

Inferential Statistics

Data Analysis in Qualitative and Mixed Research

How to Prepare a Research Report and Use Apa Style Guidelines

Filters