Question 1

What is a small effect for Cohen's d?

Accepted Answer

A) 0.17 
B) -0.02 
C) 0.25 
D) 0.57 
A) 0.17 
B) -0.02 
C) 0.25 
D) 0.57

Question 2

The t test for independent means is used when you are testing how many groups?

Accepted Answer

A) only two groups in total 
B) only one group 
C) two groups or more 
D) one group or more 
A) only two groups in total 
B) only one group 
C) two groups or more 
D) one group or more

Question 3

What does the number 5.15 represent in the following: t(42)= 5.15,p < 0.01?

Accepted Answer

A) test statistic 
B) t value 
C) degrees of freedom 
D) probability 
A) test statistic 
B) t value 
C) degrees of freedom 
D) probability

Question 4

The sign of the observed t value (i.e. ,whether it is positive or negative)is a crucial element in conducting the t test for independent samples.

Accepted Answer

A) True 
 B)False

Question 5

A researcher is testing a two-tailed null hypothesis at the p < 0.01 level with df = 48.What critical value would she or he use? Justify your answer.

Accepted Answer

Because there is no value for 48 degrees

Question 6

What does t(47) = 0.23 mean?

Accepted Answer

In the above statement,t repre

Question 7

If there is no difference between the distributions of scores in two groups,what is the effect size equal to?

Accepted Answer

A) 20 
B) 5 
C) 1 
D) 0 
A) 20 
B) 5 
C) 1 
D) 0

Question 8

The t test for independent samples assumes which of the following?

Accepted Answer

A) There was a pre- and post-test. 
B) Scores are independent. 
C) Scores are related. 
D) Mean scores are equal. 
A) There was a pre- and post-test. 
B) Scores are independent. 
C) Scores are related. 
D) Mean scores are equal.

Question 9

What does the letter t represent in the following: t(58)= 2.001,p < 0.05?

Accepted Answer

A) test statistic 
B) t value 
C) degrees of freedom 
D) significance level 
A) test statistic 
B) t value 
C) degrees of freedom 
D) significance level

What is a small effect for Cohen's d?

The t test for independent means is used when you are testing how many groups?

What does the number 5.15 represent in the following: t₍₄₂₎= 5.15,p < 0.01?

The sign of the observed t value (i.e. ,whether it is positive or negative)is a crucial element in conducting the t test for independent samples.

A researcher is testing a two-tailed null hypothesis at the p < 0.01 level with df = 48.What critical value would she or he use? Justify your answer.

What does t₍₄₇₎ = 0.23 mean?

If there is no difference between the distributions of scores in two groups,what is the effect size equal to?

The t test for independent samples assumes which of the following?

What does the letter t represent in the following: t₍₅₈₎= 2.001,p < 0.05?

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

Exam 11: Teafor Two: Tests Between the Means of Different Groups

What is a small effect for Cohen's d?

The t test for independent means is used when you are testing how many groups?

What does the number 5.15 represent in the following: t(42)= 5.15,p < 0.01?

The sign of the observed t value (i.e. ,whether it is positive or negative)is a crucial element in conducting the t test for independent samples.

A researcher is testing a two-tailed null hypothesis at the p < 0.01 level with df = 48.What critical value would she or he use? Justify your answer.

What does t(47) = 0.23 mean?

If there is no difference between the distributions of scores in two groups,what is the effect size equal to?

The t test for independent samples assumes which of the following?

What does the letter t represent in the following: t(58)= 2.001,p < 0.05?

Statistics or Sadistics Its up to You

Means to an End: Computing and Understanding Averages

Understanding Variability: Vive La Différence

A Picture Really Is Worth a Thousand Words

Computing Correlation Coefficients: Ice Cream and Crime

Understanding Reliability and Validity: Just the Truth

Hypotheticals and You: Testing Your Questions

Probability and Why It Counts: Fun With a Bell-Shaped Curve

Significantly Significant: What It Means for You and Me

Only the Lonely: the One Sample Z-Test

Teafor Two Again: Tests Between the Means of Related Groups

Two Groups Too Many Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variancea Brief Introduction

Testing Relationships Using the Correlation Coefficients: Cousins or Just Good Friends

Using Linear Regression: Predicting Wholl Win the Super Bowl

Chi-Square and Some Other Nonparametric Tests: What to Do When Youre Not Normal

Some Other Importantstatistical Procedures You Should Know About

An Introduction to Data Mining

Filters

What does the number 5.15 represent in the following: t₍₄₂₎= 5.15,p < 0.01?

What does t₍₄₇₎ = 0.23 mean?

What does the letter t represent in the following: t₍₅₈₎= 2.001,p < 0.05?