Question 1

When we apply the Student-Newman-Keuls procedure, the difference between which pair of means is evaluated first?

Accepted Answer

A)  The two largest means 
B)  The largest and the smallest mean 
C)  The means from the groups with the largest ns 
D)  The two smallest means 
A)  The two largest means 
B)  The largest and the smallest mean 
C)  The means from the groups with the largest ns 
D)  The two smallest means

Question 2

In an ANOVA, the main effect for factor A, which had two levels, was found to be statistically significant. What multiple comparison technique should be used?

Accepted Answer

A)  Tukey 
B)  Scheffé 
C)  Either Tukey or Scheffé 
D)  None 
A)  Tukey 
B)  Scheffé 
C)  Either Tukey or Scheffé 
D)  None

Question 3

Which of the following is a mistake?

Accepted Answer

A)  F = .82 
B)  r = 1.25 
C)  t = -36 
D)  z = -3.16 
A)  F = .82 
B)  r = 1.25 
C)  t = -36 
D)  z = -3.16

Question 4

From a one-way ANOVA, the following are known:
SST = 500
SSW = 400
What percentage of the total variance is explained by the treatment effects?

Accepted Answer

A)  20% 
B)  44% 
C)  56% 
D)  80% 
A)  20% 
B)  44% 
C)  56% 
D)  80%

Question 5

What name is given to an experimental design with different subjects in each level of the independent variable?

Accepted Answer

A)  Between groups 
B)  Repeated measures 
C)  Mixed 
D)  Longitudinal 
A)  Between groups 
B)  Repeated measures 
C)  Mixed 
D)  Longitudinal

Question 6

In addition to R2, what other statistic is sometimes calculated to examine the practical value of a significant F-ratio?

Accepted Answer

A)  Chi squared 
B)  Eta squared 
C)  Omega squared 
D)  t squared 
A)  Chi squared 
B)  Eta squared 
C)  Omega squared 
D)  t squared

Question 7

A one-way ANOVA is appropriate to analyze data from which of the following experiments?

Accepted Answer

A)  One with more than one independent variable and more than one dependent variable 
B)  One with one independent variable and more than one dependent variable 
C)  One with two independent variables and one dependent variable 
D)  One with one independent variable and one dependent variable 
A)  One with more than one independent variable and more than one dependent variable 
B)  One with one independent variable and more than one dependent variable 
C)  One with two independent variables and one dependent variable 
D)  One with one independent variable and one dependent variable

Question 8

A multiple comparison technique with which of the following characteristics would be the most powerful?

Accepted Answer

A)  Planned, contrast-based 
B)  Planned, family-based 
C)  Post hoc, contrast-based 
D)  Post hoc, family-based 
A)  Planned, contrast-based 
B)  Planned, family-based 
C)  Post hoc, contrast-based 
D)  Post hoc, family-based

Question 9

Using the following ANOVA summary table, how many means are being compared, and how many subjects were included in each treatment? (Assume equal ns.) $\begin{array}{|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } \
\hline \text { Between } & 270 & 9 & & \
\hline \text { Within } & 5600 & 560 & & \
\hline \text { Total } & & & & \
\hline
\end{array}$

Accepted Answer

A)  9 means, 56 subjects 
B)  9 means, 57 subjects 
C)  10 means, 56 subjects 
D)  10 means, 57 subjects 
A)  9 means, 56 subjects 
B)  9 means, 57 subjects 
C)  10 means, 56 subjects 
D)  10 means, 57 subjects

Question 10

Using the following one-way ANOVA summary table, how many levels of the independent variable were in this study? $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \
\hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \
\hline \text { Within } & \text { A } & 80 & \text { C } & & \
\hline \text { Total } & 1000 & & & & \
\hline
\end{array}$

Accepted Answer

A)  4 
B)  5 
C)  3 
D)  Cannot determine 
A)  4 
B)  5 
C)  3 
D)  Cannot determine

Question 11

Using the following one-way ANOVA summary table, what is the researcher's conclusion, and what possible error is attached to this decision? (? = .05) $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \
\hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \
\hline \text { Within } & \text { A } & 80 & \text { C } & & \
\hline \text { Total } & 1000 & & & & \
\hline
\end{array}$

Accepted Answer

A)  Retain the null hypothesis, Type I error 
B)  Retain the null hypothesis, Type II error 
C)  Reject the null hypothesis, Type II error 
D)  Reject the null hypothesis, Type I error 
A)  Retain the null hypothesis, Type I error 
B)  Retain the null hypothesis, Type II error 
C)  Reject the null hypothesis, Type II error 
D)  Reject the null hypothesis, Type I error

Question 12

Using the following one-way ANOVA summary table, what is the value of MSB (B in the source table)? $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \
\hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \
\hline \text { Within } & \text { A } & 80 & \text { C } & & \
\hline \text { Total } & 1000 & & & & \
\hline
\end{array}$

Accepted Answer

A)  40 
B)  50 
C)  84 
D)  800 
A)  40 
B)  50 
C)  84 
D)  800

Question 13

Using the following one-way ANOVA summary table, what is the value of SSW (A in the source table)? $\begin{array}{|l|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } & \text { P } \
\hline \text { Between } & 200 & 4 & \text { B } & \text { D } & .01 \
\hline \text { Within } & \text { A } & 80 & \text { C } & & \
\hline \text { Total } & 1000 & & & & \
\hline
\end{array}$

Accepted Answer

A)  400 
B)  600 
C)  800 
D)  1200 
A)  400 
B)  600 
C)  800 
D)  1200

Question 14

Which of the following inferential statistical tests can be used for examining differences among means? (Assume the data are interval or ratio.)

Accepted Answer

A)  One-way ANOVA 
B)  t-test 
C)  Both A and B 
D)  Neither A nor B 
E)  Insufficient information is provided. 
A)  One-way ANOVA 
B)  t-test 
C)  Both A and B 
D)  Neither A nor B 
E)  Insufficient information is provided.

Question 15

The F-ratio is associated with which inferential test?

Accepted Answer

A)  t-test 
B)  PPM 
C)  ANOVA 
D)  Spearman rho 
A)  t-test 
B)  PPM 
C)  ANOVA 
D)  Spearman rho

Question 16

Using the following ANOVA summary table, which of the following conditions is NOT an assumption for this statistical test? $\begin{array}{|l|l|l|l|l|}
\hline \text { Source of variation } & \text { SS } & \text { df } & \text { MS } & \text { F } \
\hline \text { Between } & 270 & 9 & & \
\hline \text { Within } & 5600 & 560 & & \
\hline \text { Total } & & & & \
\hline
\end{array}$

Accepted Answer

A)  The dependent variable is normally distributed in the treatment populations. 
B)  The subjects are randomly assigned to treatments. 
C)  The same number of subjects is assigned to each treatment. 
D)  The variances in the populations from which the samples are drawn are equal. 
A)  The dependent variable is normally distributed in the treatment populations. 
B)  The subjects are randomly assigned to treatments. 
C)  The same number of subjects is assigned to each treatment. 
D)  The variances in the populations from which the samples are drawn are equal.

Question 17

Select the pair of multiple comparison techniques where both are of the contrast-based type, but one in the pair is planned and the other is post hoc.

Accepted Answer

A)  Tukey and Dunnett 
B)  Student-Newman-Keuls and POC 
C)  Scheffé and Student-Newman-Keuls 
D)  Scheffé and Tukey 
A)  Tukey and Dunnett 
B)  Student-Newman-Keuls and POC 
C)  Scheffé and Student-Newman-Keuls 
D)  Scheffé and Tukey

Question 18

Student-Newman-Keuls is a multiple comparison technique that employs a contrast-based approach. Arrange Tukey(T), Scheffé(S), and Student-Newman-Keuls (SNK) in order from most conservative to most liberal.

Accepted Answer

A)  T, S, SNK 
B)  SNK, T, S 
C)  S, T, SNK 
D)  S, SNK, T 
A)  T, S, SNK 
B)  SNK, T, S 
C)  S, T, SNK 
D)  S, SNK, T

Question 19

On what aspect do Tukey and Scheffé differ?

Accepted Answer

A)  Planned versus post hoc 
B)  Simple versus complex 
C)  Family-based versus contrast-based 
D)  Multiple comparison versus significant F 
A)  Planned versus post hoc 
B)  Simple versus complex 
C)  Family-based versus contrast-based 
D)  Multiple comparison versus significant F

Question 20

Which of the following results in an omnibus inferential test?

Accepted Answer

A)  Tukey 
B)  ANOVA 
C)  Scheffé 
D)  Student-Newman-Keuls 
A)  Tukey 
B)  ANOVA 
C)  Scheffé 
D)  Student-Newman-Keuls

When we apply the Student-Newman-Keuls procedure, the difference between which pair of means is evaluated first?

In an ANOVA, the main effect for factor A, which had two levels, was found to be statistically significant. What multiple comparison technique should be used?

Which of the following is a mistake?

From a one-way ANOVA, the following are known: SS_T = 500 SS_W = 400 What percentage of the total variance is explained by the treatment effects?

What name is given to an experimental design with different subjects in each level of the independent variable?

In addition to R², what other statistic is sometimes calculated to examine the practical value of a significant F-ratio?

A one-way ANOVA is appropriate to analyze data from which of the following experiments?

A multiple comparison technique with which of the following characteristics would be the most powerful?

Using the following ANOVA summary table, how many means are being compared, and how many subjects were included in each treatment? (Assume equal ns.) Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Using the following one-way ANOVA summary table, how many levels of the independent variable were in this study? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the researcher's conclusion, and what possible error is attached to this decision? (? = .05) Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the value of MS_B (B in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the value of SS_W (A in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Which of the following inferential statistical tests can be used for examining differences among means? (Assume the data are interval or ratio.)

The F-ratio is associated with which inferential test?

Using the following ANOVA summary table, which of the following conditions is NOT an assumption for this statistical test? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Select the pair of multiple comparison techniques where both are of the contrast-based type, but one in the pair is planned and the other is post hoc.

Student-Newman-Keuls is a multiple comparison technique that employs a contrast-based approach. Arrange Tukey(T), Scheffé(S), and Student-Newman-Keuls (SNK) in order from most conservative to most liberal.

On what aspect do Tukey and Scheffé differ?

Which of the following results in an omnibus inferential test?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Within-Groups Anova

Factorial Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

Exam 9: One-Way Between-Groups Anova

When we apply the Student-Newman-Keuls procedure, the difference between which pair of means is evaluated first?

In an ANOVA, the main effect for factor A, which had two levels, was found to be statistically significant. What multiple comparison technique should be used?

Which of the following is a mistake?

From a one-way ANOVA, the following are known: SST = 500 SSW = 400 What percentage of the total variance is explained by the treatment effects?

What name is given to an experimental design with different subjects in each level of the independent variable?

In addition to R2, what other statistic is sometimes calculated to examine the practical value of a significant F-ratio?

A one-way ANOVA is appropriate to analyze data from which of the following experiments?

A multiple comparison technique with which of the following characteristics would be the most powerful?

Using the following ANOVA summary table, how many means are being compared, and how many subjects were included in each treatment? (Assume equal ns.) Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Using the following one-way ANOVA summary table, how many levels of the independent variable were in this study? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the researcher's conclusion, and what possible error is attached to this decision? (? = .05) Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the value of MSB (B in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the value of SSW (A in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Which of the following inferential statistical tests can be used for examining differences among means? (Assume the data are interval or ratio.)

The F-ratio is associated with which inferential test?

Using the following ANOVA summary table, which of the following conditions is NOT an assumption for this statistical test? Source of variation SS df MS F Between 270 9 Within 5600 560 Total

Select the pair of multiple comparison techniques where both are of the contrast-based type, but one in the pair is planned and the other is post hoc.

Student-Newman-Keuls is a multiple comparison technique that employs a contrast-based approach. Arrange Tukey(T), Scheffé(S), and Student-Newman-Keuls (SNK) in order from most conservative to most liberal.

On what aspect do Tukey and Scheffé differ?

Which of the following results in an omnibus inferential test?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Within-Groups Anova

Factorial Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

From a one-way ANOVA, the following are known: SS_T = 500 SS_W = 400 What percentage of the total variance is explained by the treatment effects?

In addition to R², what other statistic is sometimes calculated to examine the practical value of a significant F-ratio?

Using the following one-way ANOVA summary table, what is the value of MS_B (B in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000

Using the following one-way ANOVA summary table, what is the value of SS_W (A in the source table)? Source of variation SS df MS F P Between 200 4 B D .01 Within A 80 C Total 1000