Question 1

​The sum of the squared deviations from the mean divided by the number of observations minus 1 is called the ____.

Accepted Answer

A)  ​range 
B)  ​variance 
C)  ​dispersion 
D)  ​error 
A)  ​range 
B)  ​variance 
C)  ​dispersion 
D)  ​error B

Question 2

For a basic nonequivalent groups design analysis,the model needs ____ terms.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
A)  two 
B)  three 
C)  four 
D)  five B

Question 3

​The t-value can be expressed as

Accepted Answer

A)  ​noise / signal 
B)  ​signal / noise 
C)  ​noise - signal 
D)  ​signal - noise 
A)  ​noise / signal 
B)  ​signal / noise 
C)  ​noise - signal 
D)  ​signal - noise B

Question 4

Dummy variables are useful because they enable you to use a single regression equation to represent multiple _______________.

Accepted Answer

The answer of Dummy variables are useful because they enable...

Question 5

​The t-test,one-way ANOVA,and regression analysis are mathematically equivalent and yield the same results in a two-group case.

Accepted Answer

A) True 
 B)False

Question 6

​Discuss regression-discontinuity analysis in terms of regression.

Accepted Answer

Figure 12.19 @#IMG-DLM& The regression model is sh

Question 7

​The basic regression-discontinuity design is a two-group pretest-posttest model.

Accepted Answer

A) True 
 B)False

Question 8

​The General Linear Model is the major framework for statistical modeling in the social sciences.

Accepted Answer

A) True 
 B)False

Question 9

​In the equation yi = β0 + β1zi + ei,zi is 1 if the ____.

Accepted Answer

A)  ​ith unit is in the treatment group 
B)  ​ith unit is in the comparison group 
C)  ​ith unit residual is greater than the mean residual 
D)  ​ith unit residual is less than equal to the mean residual 
A)  ​ith unit is in the treatment group 
B)  ​ith unit is in the comparison group 
C)  ​ith unit residual is greater than the mean residual 
D)  ​ith unit residual is less than equal to the mean residual

Question 10

​
   Figure TB 11-3
-​The accompanying formula is the regression model for the____.

Accepted Answer

A)  ​2 x 2 factorial 
B)  ​randomized block 
C)  ​analysis of covariance 
D)  ​regression point displacement 
A)  ​2 x 2 factorial 
B)  ​randomized block 
C)  ​analysis of covariance 
D)  ​regression point displacement

Question 11

In the accompanying figure,B refers to the ____.​

Accepted Answer

A)  ​predictor 
B)  ​outcome 
C)  ​slope 
D)  ​intercept 
A)  ​predictor 
B)  ​outcome 
C)  ​slope 
D)  ​intercept

Question 12

​In the regression discontinuity analysis model,the pretest is adjusted by ____.

Accepted Answer

A)  ​subtracting the cutoff 
B)  ​multiplying by the reliability estimate 
C)  ​multiplying by β 
D)  ​subtracting zo 
A)  ​subtracting the cutoff 
B)  ​multiplying by the reliability estimate 
C)  ​multiplying by β 
D)  ​subtracting zo

Question 13

​In the equation y = b0 + b1x,y is the ____.

Accepted Answer

A)  ​predictor 
B)  ​outcome 
C)  ​slope 
D)  ​intercept 
A)  ​predictor 
B)  ​outcome 
C)  ​slope 
D)  ​intercept

Question 14

​Suppose a study is not practically significant but is statistically significant.You should ____.

Accepted Answer

A)  ​reconsider everything 
B)  ​increase the dosage or improve implementation 
C)  ​increase the sample size and/or improve measurement 
D)  ​be happy with an optimal outcome 
A)  ​reconsider everything 
B)  ​increase the dosage or improve implementation 
C)  ​increase the sample size and/or improve measurement 
D)  ​be happy with an optimal outcome

Question 15

A(n)_______________ line is a line that describes the relationship between two or more variables.

Accepted Answer

The answer of A(n)_______________ line is a line that describes...

Question 16

​An analysis that estimates the difference between the groups on the posttest after adjusting for differences on the pretest is _______________.

Accepted Answer

analysis o

Question 17

​Suppose a study is neither practically significant nor statistically significant.You should ____.

Accepted Answer

A)  ​reconsider everything 
B)  ​increase the dosage or improve implementation 
C)  ​increase the sample size and/or improve measurement 
D)  ​be happy with an optimal outcome 
A)  ​reconsider everything 
B)  ​increase the dosage or improve implementation 
C)  ​increase the sample size and/or improve measurement 
D)  ​be happy with an optimal outcome

Question 18

The equation y = b0 + bx + e is a(n)_______________ equation.

Accepted Answer

general li

Question 19

​
   Figure TB 11-5
-​The accompanying formula is the regression model for the ____.

Accepted Answer

A)  ​2 x 2 factorial 
B)  ​randomized block 
C)  ​analysis of covariance 
D)  ​regression point displacement 
A)  ​2 x 2 factorial 
B)  ​randomized block 
C)  ​analysis of covariance 
D)  ​regression point displacement

Question 20

The equation y = b0 + b1x is a(n)_______________ equation.

Accepted Answer

The sum of the squared deviations from the mean divided by the number of observations minus 1 is called the ____.

For a basic nonequivalent groups design analysis,the model needs ____ terms.

The t-value can be expressed as

Dummy variables are useful because they enable you to use a single regression equation to represent multiple _______________.

The t-test,one-way ANOVA,and regression analysis are mathematically equivalent and yield the same results in a two-group case.

Discuss regression-discontinuity analysis in terms of regression.

The basic regression-discontinuity design is a two-group pretest-posttest model.

The General Linear Model is the major framework for statistical modeling in the social sciences.

In the equation y_i = β0 + β1zi + e_i,z_i is 1 if the ____.

Figure TB 11-3 -The accompanying formula is the regression model for the____.

In the accompanying figure,B refers to the ____.

In the regression discontinuity analysis model,the pretest is adjusted by ____.

In the equation y = b₀ + b₁x,y is the ____.

Suppose a study is not practically significant but is statistically significant.You should ____.

A(n)_______________ line is a line that describes the relationship between two or more variables.

An analysis that estimates the difference between the groups on the posttest after adjusting for differences on the pretest is _______________.

Suppose a study is neither practically significant nor statistically significant.You should ____.

The equation y = b₀ + bx + e is a(n)_______________ equation.

Figure TB 11-5 -The accompanying formula is the regression model for the ____.

The equation y = b₀ + b₁x is a(n)_______________ equation.

Introduction

Ethics

Qualitative-Approaches-To-Research

Sampling

Introduction-To-Measurement

Scales-Texts-And-Indexes

Survey-Research

Introduction-To-Design

Experimental-Design

Quasi-Experimental-Design

Introduction-To-Data-Analysis

Research-Communication

Filters

Exam 12: Inferential-Analysis

​The sum of the squared deviations from the mean divided by the number of observations minus 1 is called the ____.

For a basic nonequivalent groups design analysis,the model needs ____ terms.

​The t-value can be expressed as

Dummy variables are useful because they enable you to use a single regression equation to represent multiple _______________.

​The t-test,one-way ANOVA,and regression analysis are mathematically equivalent and yield the same results in a two-group case.

​Discuss regression-discontinuity analysis in terms of regression.

​The basic regression-discontinuity design is a two-group pretest-posttest model.

​The General Linear Model is the major framework for statistical modeling in the social sciences.

​In the equation yi = β0 + β1zi + ei,zi is 1 if the ____.

​ Figure TB 11-3 -​The accompanying formula is the regression model for the____.

In the accompanying figure,B refers to the ____.​

​In the regression discontinuity analysis model,the pretest is adjusted by ____.

​In the equation y = b0 + b1x,y is the ____.

​Suppose a study is not practically significant but is statistically significant.You should ____.

A(n)_______________ line is a line that describes the relationship between two or more variables.

​An analysis that estimates the difference between the groups on the posttest after adjusting for differences on the pretest is _______________.

​Suppose a study is neither practically significant nor statistically significant.You should ____.

The equation y = b0 + bx + e is a(n)_______________ equation.

​ Figure TB 11-5 -​The accompanying formula is the regression model for the ____.

The equation y = b0 + b1x is a(n)_______________ equation.

Introduction

Ethics

Qualitative-Approaches-To-Research

Sampling

Introduction-To-Measurement

Scales-Texts-And-Indexes

Survey-Research

Introduction-To-Design

Experimental-Design

Quasi-Experimental-Design

Introduction-To-Data-Analysis

Research-Communication

Filters

The sum of the squared deviations from the mean divided by the number of observations minus 1 is called the ____.

The t-value can be expressed as

The t-test,one-way ANOVA,and regression analysis are mathematically equivalent and yield the same results in a two-group case.

Discuss regression-discontinuity analysis in terms of regression.

The basic regression-discontinuity design is a two-group pretest-posttest model.

The General Linear Model is the major framework for statistical modeling in the social sciences.

In the equation y_i = β0 + β1zi + e_i,z_i is 1 if the ____.

Figure TB 11-3 -The accompanying formula is the regression model for the____.

In the accompanying figure,B refers to the ____.

In the regression discontinuity analysis model,the pretest is adjusted by ____.

In the equation y = b₀ + b₁x,y is the ____.

Suppose a study is not practically significant but is statistically significant.You should ____.

An analysis that estimates the difference between the groups on the posttest after adjusting for differences on the pretest is _______________.

Suppose a study is neither practically significant nor statistically significant.You should ____.

The equation y = b₀ + bx + e is a(n)_______________ equation.

Figure TB 11-5 -The accompanying formula is the regression model for the ____.

The equation y = b₀ + b₁x is a(n)_______________ equation.