Question 1

If you were conducting a means comparison and you had a grouping variable of ethnicity on income what type of analysis would you choose to conduct?

Accepted Answer

A)  One-way ANOVA 
B)  Two-way ANOVA 
A)  One-way ANOVA 
B)  Two-way ANOVA A

Question 2

An F test can be used to test the difference(s) among two or more means.

Accepted Answer

A) True 
 B)False  True

Question 3

What is true about all post-hoc tests such as Tukey's HSD Test and Scheffé's Test?

Accepted Answer

A)  Each group mean is compared to each other group mean 
B)  It shows the overall effect of the groups on a variable 
C)  It is done regardless of whether the one-way ANOVA's F test result is significant or not 
D)  It is done prior to the ANOVA's F test 
A)  Each group mean is compared to each other group mean 
B)  It shows the overall effect of the groups on a variable 
C)  It is done regardless of whether the one-way ANOVA's F test result is significant or not 
D)  It is done prior to the ANOVA's F test A

Question 4

If you were conducting a means comparison and you had two grouping variables: English acquisition levels and ethnicity on Language Arts test scores, what type of analysis would you choose to conduct?

Accepted Answer

A)  One-way ANOVA 
B)  Two-way ANOVA 
A)  One-way ANOVA 
B)  Two-way ANOVA

Question 5

If the difference among the means was statistically significant at the .01 level (F = 61.34, df = 2, 40) which of the following is NOT true?

Accepted Answer

A)  There is a significant difference at p < .01 
B)  At least one of the group comparisons is significant 
C)  The null hypothesis is rejected 
D)  The differences are due to random sampling error 
A)  There is a significant difference at p < .01 
B)  At least one of the group comparisons is significant 
C)  The null hypothesis is rejected 
D)  The differences are due to random sampling error

Question 6

If a research yielded the follow group means with a significant F test result, how many pairs of comparisons are possible to do a post- hoc test?
Group 1: M=1.5 Group 2: M=6.5 Group 3: M=7.8 Group 4: M=10.9

Accepted Answer

6 PAIRS: 1 vs 2, 1 v

Question 7

the resulting probability will be different whether one runs a t test or F test.

Accepted Answer

A) True 
 B)False

If you were conducting a means comparison and you had a grouping variable of ethnicity on income what type of analysis would you choose to conduct?

An F test can be used to test the difference(s) among two or more means.

What is true about all post-hoc tests such as Tukey's HSD Test and Scheffé's Test?

If you were conducting a means comparison and you had two grouping variables: English acquisition levels and ethnicity on Language Arts test scores, what type of analysis would you choose to conduct?

If the difference among the means was statistically significant at the .01 level (F = 61.34, df = 2, 40) which of the following is NOT true?

If a research yielded the follow group means with a significant F test result, how many pairs of comparisons are possible to do a post- hoc test? Group 1: M=1.5 Group 2: M=6.5 Group 3: M=7.8 Group 4: M=10.9

the resulting probability will be different whether one runs a t test or F test.

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Frequencies, Percentages, and Proportions

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Pearson-R

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters

Exam 26: One-Way Anova

If you were conducting a means comparison and you had a grouping variable of ethnicity on income what type of analysis would you choose to conduct?

An F test can be used to test the difference(s) among two or more means.

What is true about all post-hoc tests such as Tukey's HSD Test and Scheffé's Test?

If you were conducting a means comparison and you had two grouping variables: English acquisition levels and ethnicity on Language Arts test scores, what type of analysis would you choose to conduct?

If the difference among the means was statistically significant at the .01 level (F = 61.34, df = 2, 40) which of the following is NOT true?

If a research yielded the follow group means with a significant F test result, how many pairs of comparisons are possible to do a post- hoc test? Group 1: M=1.5 Group 2: M=6.5 Group 3: M=7.8 Group 4: M=10.9

the resulting probability will be different whether one runs a t test or F test.

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Frequencies, Percentages, and Proportions

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Pearson-R

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters