Question 1

The inference of the relationship after using an Independent groups t-test is____________________.

Accepted Answer

The answer of The inference of the relationship after using...

Question 2

Before a researcher decides what statistical test,he or she should use to analyze their data they should consider the factors below _______.

Accepted Answer

A) The number of independent variables manipulated 
B) Scale of measurement of the dependent variable (quantitative vs.qualitative) 
C) Within or between subject design 
D) The number of subjects used 
E) All of these are correct 
A) The number of independent variables manipulated 
B) Scale of measurement of the dependent variable (quantitative vs.qualitative) 
C) Within or between subject design 
D) The number of subjects used 
E) All of these are correct

Question 3

In the example above if the researcher were able to reject the null hypothesis and state based on the color of the ice cream the ratings were different how would you determine the nature of the relationship?

Accepted Answer

A) Turkey HSD test 
B) Inspection of the means 
C) Square root of total variance 
D) Eta-squared 
E) None of these 
A) Turkey HSD test 
B) Inspection of the means 
C) Square root of total variance 
D) Eta-squared 
E) None of these

Question 4

When the independent variable is qualitative and the dependent variable is quantitative,most researchers will NOT use a parametric test in situations where the dependent measure has only two or three values.

Accepted Answer

A) True 
 B)False

Question 5

A researcher is studying effect of gender on what type of car he or she buys.The researcher should use the ____________________ to analyze the data.

Accepted Answer

The answer of A researcher is studying effect of gender...

Question 6

Dr.Nan is studying the effects of Ginseng on recall.He has 2 groups of subjects, (20 subjects in each group).Subjects are given Ginseng or Placebo and then asked to recall a list of words they previously studied.However,to avoid confounds what should Dr.Nan do?

Accepted Answer

A) Counterbalance placebo & Ginseng 
B) Match groups on an IQ test and assign to groups 
C) Randomly assign subjects to groups 
D) All of these 
E) None of these 
A) Counterbalance placebo & Ginseng 
B) Match groups on an IQ test and assign to groups 
C) Randomly assign subjects to groups 
D) All of these 
E) None of these

Question 7

Dr.Johnson sets his alpha level at .05 and uses a directional test,his degrees of freedom is 60 what is his critical t?

Accepted Answer

A) 2.00 
B) 2.021 
C) 1.671 
D) 1.684 
E) none of these 
A) 2.00 
B) 2.021 
C) 1.671 
D) 1.684 
E) none of these

Question 8

If the dependent variable is measured on an ordinal level that seriously departs from interval characteristics,then a _____ test is typically used.

Accepted Answer

A) parametric 
B) nonparametric 
A) parametric 
B) nonparametric

Question 9

Given two between-subject variables that are measured on a level that at least approximates interval characteristics,the most common method of analysis is the chi square test.

Accepted Answer

A) True 
 B)False

Question 10

The joint influence of two within-subjects qualitative independent variables can be studied using:

Accepted Answer

A) correlated groups t test 
B) two-way repeated measures analysis of variance 
C) Hotelling T2 test 
D) factor analysis 
A) correlated groups t test 
B) two-way repeated measures analysis of variance 
C) Hotelling T2 test 
D) factor analysis

Question 11

Statistics that allow you to evaluate your data and generalize to the population are called_____.

Accepted Answer

A) inferential statistics 
B) descriptive statistics 
C) reliable 
D) statistical power 
E) None of these 
A) inferential statistics 
B) descriptive statistics 
C) reliable 
D) statistical power 
E) None of these

Question 12

A consumer psychologist was interested in the influence that the color of the ice cream has on perceived taste.Four hundred subjects were asked to taste 3 different types of vanilla ice cream.Each type was identical in ingredients except they were different shades of yellow.After tasting each ice cream,the subject was asked to rate the ice cream on a scale 1-5 (5 being more favorable: interval scale).What statistical test should be used?

Accepted Answer

A) Chi-Square 
B) Correlated t-test 
C) One-way ANOVA Repeated measures 
D) One-way ANOVA between groups 
E) None of these 
A) Chi-Square 
B) Correlated t-test 
C) One-way ANOVA Repeated measures 
D) One-way ANOVA between groups 
E) None of these

Question 13

A dependent variable can still be normally distributed,even if it has only two or three values and,hence,the assumption of nonparametric tests will be violated.

Accepted Answer

A) True 
 B)False

Question 14

A parametric test should NOT be used in situations where

Accepted Answer

A) the dependent variable is measure on an interval level. 
B) the distributional assumptions of the parametric test have been violated but the test is robust to these violations. 
C) the distributional assumptions of the parametric test have been violated and the test is not robust to these violations. 
D) none of these 
A) the dependent variable is measure on an interval level. 
B) the distributional assumptions of the parametric test have been violated but the test is robust to these violations. 
C) the distributional assumptions of the parametric test have been violated and the test is not robust to these violations. 
D) none of these

Question 15

Multiple regression analysis involves the prediction of a _____ variable from two or more _____ variables.

Accepted Answer

A) nominal;ordinal 
B) within-subjects;between-subjects 
C) predictor;criterion 
D) criterion;predictor 
A) nominal;ordinal 
B) within-subjects;between-subjects 
C) predictor;criterion 
D) criterion;predictor

Question 16

The nature of the relationship in the independent groups t-test is determined by examining:

Accepted Answer

A) eta-squared 
B) omega squared 
C) sample means 
D) population means 
E) none of these 
A) eta-squared 
B) omega squared 
C) sample means 
D) population means 
E) none of these

Question 17

The use of IPod's may induce hearing loss according to research conducted at Washington State University.They had a total of 500 subjects that were given IPods set a decibel (db)rate of either 0 (no sound),40db or 70db.After listening to the same music on the IPod's for 1 week each subject was given a hearing test.Researchers should use ____________________ to analyze the data.

Accepted Answer

One-way AN

Question 18

Multivariate Analysis of Variance (MANOVA)is used when there is_____.

Accepted Answer

A) Two levels of the independent variable 
B) Two or more levels of the dependent variable 
C) Nominal scales of measurement 
D) None of these 
A) Two levels of the independent variable 
B) Two or more levels of the dependent variable 
C) Nominal scales of measurement 
D) None of these

Question 19

Although the joint influence of two between-subjects independent variables on a dependent variable can be studied using two-way between-subjects analysis of variance,it is not possible to study the joint influence of two within-subjects independent variables.

Accepted Answer

A) True 
 B)False

Question 20

Multivariate analysis of variance tests whether the groups have different population means on each of the dependent variables considered separately.

Accepted Answer

A) True 
 B)False

The inference of the relationship after using an Independent groups t-test is____________________.

Before a researcher decides what statistical test,he or she should use to analyze their data they should consider the factors below _______.

In the example above if the researcher were able to reject the null hypothesis and state based on the color of the ice cream the ratings were different how would you determine the nature of the relationship?

When the independent variable is qualitative and the dependent variable is quantitative,most researchers will NOT use a parametric test in situations where the dependent measure has only two or three values.

A researcher is studying effect of gender on what type of car he or she buys.The researcher should use the ____________________ to analyze the data.

Dr.Nan is studying the effects of Ginseng on recall.He has 2 groups of subjects, (20 subjects in each group).Subjects are given Ginseng or Placebo and then asked to recall a list of words they previously studied.However,to avoid confounds what should Dr.Nan do?

Dr.Johnson sets his alpha level at .05 and uses a directional test,his degrees of freedom is 60 what is his critical t?

If the dependent variable is measured on an ordinal level that seriously departs from interval characteristics,then a _____ test is typically used.

Given two between-subject variables that are measured on a level that at least approximates interval characteristics,the most common method of analysis is the chi square test.

The joint influence of two within-subjects qualitative independent variables can be studied using:

Statistics that allow you to evaluate your data and generalize to the population are called_____.

A dependent variable can still be normally distributed,even if it has only two or three values and,hence,the assumption of nonparametric tests will be violated.

A parametric test should NOT be used in situations where

Multiple regression analysis involves the prediction of a _ variable from two or more _ variables.

The nature of the relationship in the independent groups t-test is determined by examining:

Multivariate Analysis of Variance (MANOVA)is used when there is_____.

Although the joint influence of two between-subjects independent variables on a dependent variable can be studied using two-way between-subjects analysis of variance,it is not possible to study the joint influence of two within-subjects independent variables.

Multivariate analysis of variance tests whether the groups have different population means on each of the dependent variables considered separately.

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

The inference of the relationship after using an Independent groups t-test is____________________.

Before a researcher decides what statistical test,he or she should use to analyze their data they should consider the factors below _______.

In the example above if the researcher were able to reject the null hypothesis and state based on the color of the ice cream the ratings were different how would you determine the nature of the relationship?

When the independent variable is qualitative and the dependent variable is quantitative,most researchers will NOT use a parametric test in situations where the dependent measure has only two or three values.

A researcher is studying effect of gender on what type of car he or she buys.The researcher should use the ____________________ to analyze the data.

Dr.Nan is studying the effects of Ginseng on recall.He has 2 groups of subjects, (20 subjects in each group).Subjects are given Ginseng or Placebo and then asked to recall a list of words they previously studied.However,to avoid confounds what should Dr.Nan do?

Dr.Johnson sets his alpha level at .05 and uses a directional test,his degrees of freedom is 60 what is his critical t?

If the dependent variable is measured on an ordinal level that seriously departs from interval characteristics,then a _____ test is typically used.

Given two between-subject variables that are measured on a level that at least approximates interval characteristics,the most common method of analysis is the chi square test.

The joint influence of two within-subjects qualitative independent variables can be studied using:

Statistics that allow you to evaluate your data and generalize to the population are called_____.

A dependent variable can still be normally distributed,even if it has only two or three values and,hence,the assumption of nonparametric tests will be violated.

A parametric test should NOT be used in situations where

Multiple regression analysis involves the prediction of a _____ variable from two or more _____ variables.

The nature of the relationship in the independent groups t-test is determined by examining:

Multivariate Analysis of Variance (MANOVA)is used when there is_____.

Although the joint influence of two between-subjects independent variables on a dependent variable can be studied using two-way between-subjects analysis of variance,it is not possible to study the joint influence of two within-subjects independent variables.

Multivariate analysis of variance tests whether the groups have different population means on each of the dependent variables considered separately.

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

Multiple regression analysis involves the prediction of a _ variable from two or more _ variables.