Question 1

In the equation Y =  
,which of the following symbols is a regression coefficient?

Accepted Answer

A)    
B)    
1 
C)    
2 
D)    
E) both b and c 
A)    
B)    
1 
C)    
2 
D)    
E) both b and c

Question 2

_____ will usually be applied to research questions requiring that three or more qualitative variables be simultaneously examined.

Accepted Answer

A) Factor analysis 
B) Multivariate analysis of variance 
C) Log-linear analysis 
D) Multiple regression 
A) Factor analysis 
B) Multivariate analysis of variance 
C) Log-linear analysis 
D) Multiple regression

Question 3

Multivariate statistics involve analyzing the relationship between

Accepted Answer

A) three or more variables. 
B) two independent variables. 
C) one independent variable and one dependent variable. 
D) none of these 
A) three or more variables. 
B) two independent variables. 
C) one independent variable and one dependent variable. 
D) none of these

Question 4

Compare and contrast Parametric and Nonparametric statistical tests.

Accepted Answer

Nonparametric Statistics:
Fewer distribu

Question 5

To determine if the correlations among a set of variables can be accounted for by a one or more underlying factors,a _____ should be used.

Accepted Answer

A) log-linear analysis 
B) factor analysis 
C) multiple regression 
D) Spearman correlation 
A) log-linear analysis 
B) factor analysis 
C) multiple regression 
D) Spearman correlation

Question 6

Hana is measuring the effects of 3 does of estrogen on mood changes in women.She has 3 groups of subjects (control,3mg and 5mg group).After subjects are randomly divided into groups and administered estrogen or placebo their moods were evaluated with a mood questionnaire.What statistical test should he use?

Accepted Answer

Hana should use a On

Question 7

Statistical analyses that are designed to analyze the relationship between three or more variables simultaneously are called _____ tests.

Accepted Answer

A) interaction comparison 
B) simple main effects 
C) multivariate 
D) correlational 
A) interaction comparison 
B) simple main effects 
C) multivariate 
D) correlational

Question 8

Multiple regression involves the prediction of a criterion from two or more predictors.

Accepted Answer

A) True 
 B)False

Question 9

When sample sizes are small,power will tend to be_____,everything else being equal.

Accepted Answer

A) low 
B) high 
C) moderate 
D) there is no affect 
E) none of these 
A) low 
B) high 
C) moderate 
D) there is no affect 
E) none of these

Question 10

In situations involving the analysis of two or more dependent variables in a factorial design,analysts will often perform a multivariate analysis of variance.

Accepted Answer

A) True 
 B)False

Question 11

When the independent variable is qualitative and the dependent variable is quantitative,the choice of the appropriate method of data analysis depends on

Accepted Answer

A) whether a parametric or nonparametric test is desired. 
B) whether the independent variable is between-subjects or within-subjects in nature. 
C) the number of levels that characterize the independent variable. 
D) all of these 
A) whether a parametric or nonparametric test is desired. 
B) whether the independent variable is between-subjects or within-subjects in nature. 
C) the number of levels that characterize the independent variable. 
D) all of these

Question 12

The F test for a one-way repeated measures ANOVA is appropriate when the dependent variable is_____in nature and measured on a level that approximates_____level of measurement.

Accepted Answer

A) quantitative;interval 
B) quantitative;ratio 
C) qualitative;nominal 
D) qualitative;interval 
E) both a & b 
A) quantitative;interval 
B) quantitative;ratio 
C) qualitative;nominal 
D) qualitative;interval 
E) both a & b

Question 13

A _____ is often used to test whether the groups have different population means on the dependent variables considered jointly.

Accepted Answer

A) multivariate analysis of variance 
B) multiple regression 
C) Hotelling T2 test 
D) factor analysis 
A) multivariate analysis of variance 
B) multiple regression 
C) Hotelling T2 test 
D) factor analysis

Question 14

In situations where the dependent measure has only two or three values,most researchers will not use a _____ test.

Accepted Answer

A) chi square 
B) log-linear 
C) parametric 
D) nonparametric 
A) chi square 
B) log-linear 
C) parametric 
D) nonparametric

Question 15

Which of the following is a first step in determining the appropriate bivariate test?

Accepted Answer

A) Determine the number of subjects needed for a given level of power. 
B) Identify the independent and dependent variables as qualitative or quantitative. 
C) Determine the appropriate alpha level. 
D) Select the appropriate post hoc test. 
A) Determine the number of subjects needed for a given level of power. 
B) Identify the independent and dependent variables as qualitative or quantitative. 
C) Determine the appropriate alpha level. 
D) Select the appropriate post hoc test.

Question 16

A researcher reported gave subjects 3 different doses of caffeine 0mg,50mg,100 mg and 150mg.She had a total of 90 subjects,30 in each group.After ingesting caffeine a recall test was used to assess their short-term memory.The researcher should use ____________________ to analyze the data.

Accepted Answer

One-way be

Question 17

A researcher has found that his distribution is not normal but bimodal.He had planned to use a Independent groups t-test to analyze his data.His alternative statistical test should be____________________.

Accepted Answer

Wilcoxon R

Question 18

The major factor to be weighed when deciding whether to use a parametric or a nonparametric test is the decision about what aspect of the distribution that you want to compare groups on.

Accepted Answer

A) True 
 B)False

Question 19

When the independent variable is quantitative and the dependent variable is qualitative,an appropriate method of data analysis could be

Accepted Answer

A) Pearson correlation. 
B) polychotomous logistic regression. 
C) Kruskal-Wallis test. 
D) none of these 
A) Pearson correlation. 
B) polychotomous logistic regression. 
C) Kruskal-Wallis test. 
D) none of these

Question 20

The main difference between parametric & nonparametric statistics is that parametric statistics:

Accepted Answer

A) Makes no assumptions about the population distribution 
B) Assumes that the population distribution is normally skewed 
C) Assumes that the population distribution is normally distributed 
D) Cannot be used when dependent measured on ratio & interval scales 
E) All of these are correct 
A) Makes no assumptions about the population distribution 
B) Assumes that the population distribution is normally skewed 
C) Assumes that the population distribution is normally distributed 
D) Cannot be used when dependent measured on ratio & interval scales 
E) All of these are correct

In the equation Y = ,which of the following symbols is a regression coefficient?

_____ will usually be applied to research questions requiring that three or more qualitative variables be simultaneously examined.

Multivariate statistics involve analyzing the relationship between

Compare and contrast Parametric and Nonparametric statistical tests.

To determine if the correlations among a set of variables can be accounted for by a one or more underlying factors,a _____ should be used.

Statistical analyses that are designed to analyze the relationship between three or more variables simultaneously are called _____ tests.

Multiple regression involves the prediction of a criterion from two or more predictors.

When sample sizes are small,power will tend to be_____,everything else being equal.

In situations involving the analysis of two or more dependent variables in a factorial design,analysts will often perform a multivariate analysis of variance.

When the independent variable is qualitative and the dependent variable is quantitative,the choice of the appropriate method of data analysis depends on

The F test for a one-way repeated measures ANOVA is appropriate when the dependent variable is_in nature and measured on a level that approximates_level of measurement.

A _____ is often used to test whether the groups have different population means on the dependent variables considered jointly.

In situations where the dependent measure has only two or three values,most researchers will not use a _____ test.

Which of the following is a first step in determining the appropriate bivariate test?

A researcher reported gave subjects 3 different doses of caffeine 0mg,50mg,100 mg and 150mg.She had a total of 90 subjects,30 in each group.After ingesting caffeine a recall test was used to assess their short-term memory.The researcher should use ____________________ to analyze the data.

A researcher has found that his distribution is not normal but bimodal.He had planned to use a Independent groups t-test to analyze his data.His alternative statistical test should be____________________.

The major factor to be weighed when deciding whether to use a parametric or a nonparametric test is the decision about what aspect of the distribution that you want to compare groups on.

When the independent variable is quantitative and the dependent variable is qualitative,an appropriate method of data analysis could be

The main difference between parametric & nonparametric statistics is that parametric statistics:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Filters

Exam 17: Overview and Extension: Statistical Tests for More Complex Designs

In the equation Y = ,which of the following symbols is a regression coefficient?

_____ will usually be applied to research questions requiring that three or more qualitative variables be simultaneously examined.

Multivariate statistics involve analyzing the relationship between

Compare and contrast Parametric and Nonparametric statistical tests.

To determine if the correlations among a set of variables can be accounted for by a one or more underlying factors,a _____ should be used.

Statistical analyses that are designed to analyze the relationship between three or more variables simultaneously are called _____ tests.

Multiple regression involves the prediction of a criterion from two or more predictors.

When sample sizes are small,power will tend to be_____,everything else being equal.

In situations involving the analysis of two or more dependent variables in a factorial design,analysts will often perform a multivariate analysis of variance.

When the independent variable is qualitative and the dependent variable is quantitative,the choice of the appropriate method of data analysis depends on

The F test for a one-way repeated measures ANOVA is appropriate when the dependent variable is_____in nature and measured on a level that approximates_____level of measurement.

A _____ is often used to test whether the groups have different population means on the dependent variables considered jointly.

In situations where the dependent measure has only two or three values,most researchers will not use a _____ test.

Which of the following is a first step in determining the appropriate bivariate test?

A researcher reported gave subjects 3 different doses of caffeine 0mg,50mg,100 mg and 150mg.She had a total of 90 subjects,30 in each group.After ingesting caffeine a recall test was used to assess their short-term memory.The researcher should use ____________________ to analyze the data.

A researcher has found that his distribution is not normal but bimodal.He had planned to use a Independent groups t-test to analyze his data.His alternative statistical test should be____________________.

The major factor to be weighed when deciding whether to use a parametric or a nonparametric test is the decision about what aspect of the distribution that you want to compare groups on.

When the independent variable is quantitative and the dependent variable is qualitative,an appropriate method of data analysis could be

The main difference between parametric & nonparametric statistics is that parametric statistics:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Filters

The F test for a one-way repeated measures ANOVA is appropriate when the dependent variable is_in nature and measured on a level that approximates_level of measurement.