Question 1

​The key idea in the randomized block design is that variability within each block____.

Accepted Answer

A)  ​is greater than the variability of the entire sample 
B)  ​is less than the variability of the entire sample 
C)  ​can be used to estimate the variability in the entire sample 
D)  ​cancels out variability in the entire sample 
A)  ​is greater than the variability of the entire sample 
B)  ​is less than the variability of the entire sample 
C)  ​can be used to estimate the variability in the entire sample 
D)  ​cancels out variability in the entire sample B

Question 2

​A measured variable that is correlated with the dependent variable is called a(n)____.

Accepted Answer

A)  ​covariate 
B)  ​independent variable 
C)  ​signal-enhancer 
D)  ​regressor 
A)  ​covariate 
B)  ​independent variable 
C)  ​signal-enhancer 
D)  ​regressor A

Question 3

​The factorial design is research design's equivalent to stratified random sampling.

Accepted Answer

A) True 
 B)False  False

Question 4

​Variables that are "adjusted for" in a study are called _______________.

Accepted Answer

The answer of ​Variables that are "adjusted for" in a...

Question 5

-​What type of design is shown above?

Accepted Answer

A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment 
A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment

Question 6

​Random assignment depends on the idea of probabilistic equivalence.

Accepted Answer

A) True 
 B)False

Question 7

​The simplest of all experimental designs is the two-group posttest-only randomized experiment.

Accepted Answer

A) True 
 B)False

Question 8

​The purpose of a covariate is to ____.

Accepted Answer

A)  ​reduce the noise 
B)  ​increase the signal 
C)  ​reduce the signal 
D)  ​increase the signal. 
A)  ​reduce the noise 
B)  ​increase the signal 
C)  ​reduce the signal 
D)  ​increase the signal.

Question 9

​A(n)____ is a consistent difference between levels of a factor.

Accepted Answer

A)  ​null case 
B)  ​main effect 
C)  ​interaction effect 
D)  ​crossover case 
A)  ​null case 
B)  ​main effect 
C)  ​interaction effect 
D)  ​crossover case

Question 10

​
-​What type of design is shown in the accompanying figure?

Accepted Answer

A)  ​randomized block 
B)  ​covariance 
C)  ​switching-replications 
D)  factorial​ 
A)  ​randomized block 
B)  ​covariance 
C)  ​switching-replications 
D)  factorial​

Question 11

​Sue,an instructor,wonders whether using a red pen to correct papers is really necessary,as it has always seemed rather harsh to her.When her students complete a pretest,she randomly assigns them to a "Red Pen" group and a "Gold Pen" group,corrects their papers using the corresponding colored pens,and returns the students' papers.After her students complete the real exam,Sue compares the average scores of the Red and Gold groups.This is an example of a(n)____.

Accepted Answer

A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment 
A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment

Question 12

​In contrast to many other experimental designs,the covariance design necessarily includes ____.

Accepted Answer

A)  ​randomization 
B)  ​a pre-program measure 
C)  ​a control group 
D)  ​blinding 
A)  ​randomization 
B)  ​a pre-program measure 
C)  ​a control group 
D)  ​blinding

Question 13

A design that includes the pairing of every combination of factor levels is said to be ____.

Accepted Answer

A)  ​fully crossed 
B)  ​filled out 
C)  ​completed 
D)  ​totaled 
A)  ​fully crossed 
B)  ​filled out 
C)  ​completed 
D)  ​totaled

Question 14

Subgroups are to stratified random sampling as ____ is/are to the randomized block design.

Accepted Answer

A)  ​homogeneity 
B)  ​randomization 
C)  ​blocks 
D)  ​order effects 
A)  ​homogeneity 
B)  ​randomization 
C)  ​blocks 
D)  ​order effects

Question 15

​Who is credited with the invention of experimental design?

Accepted Answer

A)  ​Ronald Fisher 
B)  ​Ivan Pavlov 
C)  ​Louis Thurstone 
D)  ​William James 
A)  ​Ronald Fisher 
B)  ​Ivan Pavlov 
C)  ​Louis Thurstone 
D)  ​William James

Question 16

​A(n)_______________ effect occurs when differences on one factor depend on the level of another factor.

Accepted Answer

The answer of ​A(n)_______________ effect occurs when differences on one...

Question 17

​A(n)_______________ design is a two-group design in two phases defined by three waves of measurement.

Accepted Answer

switching-

Question 18

​Factorial designs are classified as ____ designs.

Accepted Answer

A)  ​signal-enhancing 
B)  ​signal-reducing 
C)  ​noise-enhancing 
D)  ​noise-reducing 
A)  ​signal-enhancing 
B)  ​signal-reducing 
C)  ​noise-enhancing 
D)  ​noise-reducing

Question 19

​A(n)_______________ is a major independent variable in an experiment.

Accepted Answer

The answer of ​A(n)_______________ is a major independent variable in...

Question 20

​
Figure TB 9-1
-​What type of design is shown in the accompanying figure?

Accepted Answer

A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment 
A)  ​basic analysis of covariance experiment 
B)  ​randomized block with homogenous groups experiment 
C)  ​2 x 2 factorial experiment 
D)  ​basic two group post-test only randomized experiment

The key idea in the randomized block design is that variability within each block____.

A measured variable that is correlated with the dependent variable is called a(n)____.

The factorial design is research design's equivalent to stratified random sampling.

Variables that are "adjusted for" in a study are called _______________.

-What type of design is shown above?

Random assignment depends on the idea of probabilistic equivalence.

The simplest of all experimental designs is the two-group posttest-only randomized experiment.

The purpose of a covariate is to ____.

A(n)____ is a consistent difference between levels of a factor.

-What type of design is shown in the accompanying figure?

In contrast to many other experimental designs,the covariance design necessarily includes ____.

A design that includes the pairing of every combination of factor levels is said to be ____.

Subgroups are to stratified random sampling as ____ is/are to the randomized block design.

Who is credited with the invention of experimental design?

A(n)_______________ effect occurs when differences on one factor depend on the level of another factor.

A(n)_______________ design is a two-group design in two phases defined by three waves of measurement.

Factorial designs are classified as ____ designs.

A(n)_______________ is a major independent variable in an experiment.

Figure TB 9-1 -What type of design is shown in the accompanying figure?

Introduction

Ethics

Qualitative-Approaches-To-Research

Sampling

Introduction-To-Measurement

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Survey-Research

Introduction-To-Design

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Exam 9: Experimental-Design

​The key idea in the randomized block design is that variability within each block____.

​A measured variable that is correlated with the dependent variable is called a(n)____.

​The factorial design is research design's equivalent to stratified random sampling.

​Variables that are "adjusted for" in a study are called _______________.

-​What type of design is shown above?

​Random assignment depends on the idea of probabilistic equivalence.

​The simplest of all experimental designs is the two-group posttest-only randomized experiment.

​The purpose of a covariate is to ____.

​A(n)____ is a consistent difference between levels of a factor.

​ -​What type of design is shown in the accompanying figure?

​In contrast to many other experimental designs,the covariance design necessarily includes ____.

A design that includes the pairing of every combination of factor levels is said to be ____.

Subgroups are to stratified random sampling as ____ is/are to the randomized block design.

​Who is credited with the invention of experimental design?

​A(n)_______________ effect occurs when differences on one factor depend on the level of another factor.

​A(n)_______________ design is a two-group design in two phases defined by three waves of measurement.

​Factorial designs are classified as ____ designs.

​A(n)_______________ is a major independent variable in an experiment.

​ Figure TB 9-1 -​What type of design is shown in the accompanying figure?

Introduction

Ethics

Qualitative-Approaches-To-Research

Sampling

Introduction-To-Measurement

Scales-Texts-And-Indexes

Survey-Research

Introduction-To-Design

Quasi-Experimental-Design

Introduction-To-Data-Analysis

Inferential-Analysis

Research-Communication

Filters

The key idea in the randomized block design is that variability within each block____.

A measured variable that is correlated with the dependent variable is called a(n)____.

The factorial design is research design's equivalent to stratified random sampling.

Variables that are "adjusted for" in a study are called _______________.

-What type of design is shown above?

Random assignment depends on the idea of probabilistic equivalence.

The simplest of all experimental designs is the two-group posttest-only randomized experiment.

The purpose of a covariate is to ____.

A(n)____ is a consistent difference between levels of a factor.

-What type of design is shown in the accompanying figure?

In contrast to many other experimental designs,the covariance design necessarily includes ____.

Who is credited with the invention of experimental design?

A(n)_______________ effect occurs when differences on one factor depend on the level of another factor.

A(n)_______________ design is a two-group design in two phases defined by three waves of measurement.

Factorial designs are classified as ____ designs.

A(n)_______________ is a major independent variable in an experiment.

Figure TB 9-1 -What type of design is shown in the accompanying figure?