Question 1

Define Q crit.

Accepted Answer

The input question "Define Q _crit" appears t

Question 2

The F distribution has no negative values.

Accepted Answer

A) True 
 B)False

Question 3

For this problem consider the following information from an experiment to compare differences between the length of time a house paint lasts before it begins to fade. The number of subjects are the same in each group.   , , , Using the HSD test, the value of Q obt for the testing the difference between and is _________.

Accepted Answer

A)  5.92 
B)  2.29 
C)  3.24 
D)  1.05 
A)  5.92 
B)  2.29 
C)  3.24 
D)  1.05

Question 4

Define FScheffé

Accepted Answer

It seems like you're referring to a stat

Question 5

If F

Accepted Answer

A) True 
 B)False

Question 6

Consider the following data from an independent groups design: 
a. Is it appropriate to use parametric ANOVA to analyze these results? Why or why not?

Accepted Answer

To determine whether it is appropriate t

Question 7

An investigator conducts an experiment involving the effects of three levels of a drug on memory. Subjects are randomly assigned to one of three conditions. A different drug level is administered in each condition. Memory is measured 10 minutes after each subject receives the drug. The following scores are recorded. The higher the score, the better the memory.   Using the Scheff test with a = 0.05, F crit = _________.

Accepted Answer

A)  6.99 
B)  3.86 
C)  8.02 
D)  4.26 
A)  6.99 
B)  3.86 
C)  8.02 
D)  4.26

Question 8

A posteriori or post hoc comparisons are the same thing.

Accepted Answer

A) True 
 B)False

Question 9

If SS total = 106 and SS within = 24, what is the value of SS between ?

Accepted Answer

In statistics, the total sum of squares

Question 10

Give two conditions that should be met before doing a priori comparisons that are not independent.

Accepted Answer

A priori comparisons that are not indepe

Question 11

The F test for k = 2 is more powerful than the t test.

Accepted Answer

A) True 
 B)False

Question 12

A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient.   The value of F Scheffé is _________.

Accepted Answer

A)  2.632 
B)  0.947 
C)  6.737 
D)  45.614 
A)  2.632 
B)  0.947 
C)  6.737 
D)  45.614

Question 13

Define between-groups variance estimate ( MSbetween ).

Accepted Answer

The term "between-groups variance estima

Question 14

A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient.   Assume you are comparing cognitive/behavioral therapy with relaxation therapy, using the HSD test. The obtained value of the appropriate statistic is _________.

Accepted Answer

A)  t obt = - 2.23 
B)  Q obt = 3.24 
C)  Q obt = - 3.15 
D)  Q obt = 5.25 
A)  t obt = - 2.23 
B)  Q obt = 3.24 
C)  Q obt = - 3.15 
D)  Q obt = 5.25

Question 15

A clinical psychologist is interested in comparing the effectiveness of short term relaxation and cognitive-behavioral therapy in treating mild depression. An experiment is conducted in which 15 patients with mild depression are randomly selected and assigned 5 each to a relaxation therapy group, a cognitive/behavioral therapy group, and an attention placebo group. Therapy is administered until the patient is judged no longer depressed or until 10 treatment sessions have elapsed. The following data is obtained. Scores are the number of sessions for each patient.   F obt = _________.

Accepted Answer

A)  10.21 
B)  8.44 
C)  8.20 
D)  6.88 
A)  10.21 
B)  8.44 
C)  8.20 
D)  6.88

Question 16

If s 12 = 9, s 22 = 6, s 32 = 8, and n 1 ≠ n 2 ≠ n 3 , then MSwithin equals _________.

Accepted Answer

A)  cannot be determined from information given 
B)  7.667 
C)  2.77 
D)  23.0 
A)  cannot be determined from information given 
B)  7.667 
C)  2.77 
D)  23.0

Question 17

The within-groups variability increases necessarily as the between-groups variability increases.

Accepted Answer

A) True 
 B)False

Question 18

List three variables, not including beta, that affect the power of the ANOVA and state what increases in each do to the power of the ANOVA.

Accepted Answer

Three variables that affect the power of

Question 19

Both the HSD and the Scheffé test use the Studentized Range distributions.

Accepted Answer

A) True 
 B)False

Question 20

When doing planned comparisons, the denominator of the t equation changes for each pair of means compared.

Accepted Answer

A) True 
 B)False

Define Q _crit.

The F distribution has no negative values.

Define F_Scheffé

If F

Consider the following data from an independent groups design: a. Is it appropriate to use parametric ANOVA to analyze these results? Why or why not?

A posteriori or post hoc comparisons are the same thing.

If SS total = 106 and SS within = 24, what is the value of SS between ?

Give two conditions that should be met before doing a priori comparisons that are not independent.

The F test for k = 2 is more powerful than the t test.

Define between-groups variance estimate ( MS_between ).

If s 12 = 9, s 22 = 6, s 32 = 8, and n 1 ≠ n 2 ≠ n 3 , then MS_within equals _________.

The within-groups variability increases necessarily as the between-groups variability increases.

List three variables, not including beta, that affect the power of the ANOVA and state what increases in each do to the power of the ANOVA.

Both the HSD and the Scheffé test use the Studentized Range distributions.

When doing planned comparisons, the denominator of the t equation changes for each pair of means compared.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Exam 15: Introduction to the Analysis of Variance

Define Q crit.

The F distribution has no negative values.

Define FScheffé

If F

Consider the following data from an independent groups design: a. Is it appropriate to use parametric ANOVA to analyze these results? Why or why not?

A posteriori or post hoc comparisons are the same thing.

If SS total = 106 and SS within = 24, what is the value of SS between ?

Give two conditions that should be met before doing a priori comparisons that are not independent.

The F test for k = 2 is more powerful than the t test.

Define between-groups variance estimate ( MSbetween ).

If s 12 = 9, s 22 = 6, s 32 = 8, and n 1 ≠ n 2 ≠ n 3 , then MSwithin equals _________.

The within-groups variability increases necessarily as the between-groups variability increases.

List three variables, not including beta, that affect the power of the ANOVA and state what increases in each do to the power of the ANOVA.

Both the HSD and the Scheffé test use the Studentized Range distributions.

When doing planned comparisons, the denominator of the t equation changes for each pair of means compared.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Define Q _crit.

Define F_Scheffé

Define between-groups variance estimate ( MS_between ).

If s 12 = 9, s 22 = 6, s 32 = 8, and n 1 ≠ n 2 ≠ n 3 , then MS_within equals _________.