Question 1

When using multiple comparisons, the real issue is between doing the most powerful test and making the fewest Type I errors.

Accepted Answer

A) True 
 B)False

Question 2

If n 1 ≠ n 2 ≠ n k , then ΣS total ≠ ΣS within + ΣS between .

Accepted Answer

A) True 
 B)False

Question 3

The partition of variability is based on the idea that the deviation of each score from the Grand mean is made up of two parts; the deviation of each score from its group mean and the deviation of the other scores in the group from the group mean.

Accepted Answer

A) True 
 B)False

Question 4

Define post hoc comparisons.

Accepted Answer

Post hoc comparisons, also known as post

Question 5

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.   The appropriate df for doing planned comparisons = _________.

Accepted Answer

A)  11 
B)  6 
C)  9 
D)  2 
A)  11 
B)  6 
C)  9 
D)  2

Question 6

Complete the following table where indicated? 
   Analyze the following data from an independent groups design using ANOVA.
a. What is the value of df within ?
b. What is the value of df between ?
c. What is the value of F obt ?
d. What would the value of t obt be if one analyzed the data using the t test? Do a t test on the above data to confirm your results.
e. Would you reject H0 using a = 0.05?

Accepted Answer

Question 7

A value of F H0 .

Accepted Answer

A) True 
 B)False

Question 8

Which of the following increase(s) as the difference between the group means increases?

Accepted Answer

A)  MS  between  
B)  F obt 
C)  t obt 
D)  all of these 
A)  MS  between  
B)  F obt 
C)  t obt 
D)  all of these

Question 9

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.   Estimate the size of the effect. 2 = __________.

Accepted Answer

A)  0.6524 
B)  0.6176 
C)  0.6318 
D)  0.6034 
A)  0.6524 
B)  0.6176 
C)  0.6318 
D)  0.6034

Question 10

ΣStotal = ΣSwithin + ΣSbetween .

Accepted Answer

A) True 
 B)False

Question 11

Define Q obt.

Accepted Answer

The input "Q _obt" appears to be a string of

Question 12

Define a posteriori comparisons.

Accepted Answer

A posteriori comparisons, also known as

Question 13

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.   The value of MS  between ( groups i and j) = _________.

Accepted Answer

A)  33.063 
B)  39.062 
C)  34.562 
D)  0.2500 
A)  33.063 
B)  39.062 
C)  34.562 
D)  0.2500

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.   SSwithin = _________.

Accepted Answer

A)  19.60 
B)  16.80 
C)  18.80 
D)  22.80 
A)  19.60 
B)  16.80 
C)  18.80 
D)  22.80

Question 15

Write the number of the symbol shown in Column 1 in the space provided to the left of the term in Column 2 that it represents.

Accepted Answer

The answer of Write the number of the symbol shown...

Question 16

In the one-way ANOVA, it is assumed that the within-groups variance estimate ( MSwithin ) is sensitive to the effect of the independent variable.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is(are) true?

Accepted Answer

A)  df for MSwithin = N - k 
B)  df for MSbetween = k - 1 
C)  df total = N - 1 
D)  all of these 
A)  df for MSwithin = N - k 
B)  df for MSbetween = k - 1 
C)  df total = N - 1 
D)  all of these

Question 18

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.   Estimate the size of the effect.   = _________.

Accepted Answer

A)  0.5109 
B)  0.5210 
C)  0.5100 
D)  0.4328 
A)  0.5109 
B)  0.5210 
C)  0.5100 
D)  0.4328

Question 19

Planned comparisons are the same thing as a priori comparisons.

Accepted Answer

A) True 
 B)False

Question 20

Define within-groups variance estimate ( MSwithin )

Accepted Answer

The term "within-groups variance estimat

When using multiple comparisons, the real issue is between doing the most powerful test and making the fewest Type I errors.

If n 1 ≠ n 2 ≠ n k , then ΣS _total ≠ ΣS _within + ΣS _between .

The partition of variability is based on the idea that the deviation of each score from the Grand mean is made up of two parts; the deviation of each score from its group mean and the deviation of the other scores in the group from the group mean.

Define post hoc comparisons.

A value of F H₀ .

Which of the following increase(s) as the difference between the group means increases?

ΣS_total = ΣS_within + ΣS_between .

Define Q _obt.

Define a posteriori comparisons.

Write the number of the symbol shown in Column 1 in the space provided to the left of the term in Column 2 that it represents.

In the one-way ANOVA, it is assumed that the within-groups variance estimate ( MS_within ) is sensitive to the effect of the independent variable.

Which of the following is(are) true?

Planned comparisons are the same thing as a priori comparisons.

Define within-groups variance estimate ( MS_within )

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

When using multiple comparisons, the real issue is between doing the most powerful test and making the fewest Type I errors.

If n 1 ≠ n 2 ≠ n k , then ΣS total ≠ ΣS within + ΣS between .

The partition of variability is based on the idea that the deviation of each score from the Grand mean is made up of two parts; the deviation of each score from its group mean and the deviation of the other scores in the group from the group mean.

Define post hoc comparisons.

A value of F H0 .

Which of the following increase(s) as the difference between the group means increases?

ΣStotal = ΣSwithin + ΣSbetween .

Define Q obt.

Define a posteriori comparisons.

Write the number of the symbol shown in Column 1 in the space provided to the left of the term in Column 2 that it represents.

In the one-way ANOVA, it is assumed that the within-groups variance estimate ( MSwithin ) is sensitive to the effect of the independent variable.

Which of the following is(are) true?

Planned comparisons are the same thing as a priori comparisons.

Define within-groups variance estimate ( MSwithin )

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

If n 1 ≠ n 2 ≠ n k , then ΣS _total ≠ ΣS _within + ΣS _between .

A value of F H₀ .

ΣS_total = ΣS_within + ΣS_between .

Define Q _obt.

In the one-way ANOVA, it is assumed that the within-groups variance estimate ( MS_within ) is sensitive to the effect of the independent variable.

Define within-groups variance estimate ( MS_within )