Question 1

Provide the null and alternative hypotheses for an experiment and for a study examining relationships.

Accepted Answer

In research, hypotheses are statements t

Question 2

Power is the strength of a relationship or the magnitude of difference occurring between two variables or the degree to which a null hypothesis is false.

Accepted Answer

A) True 
 B)False

Question 3

In her study, Donna has the following alternative hypothesis:
"There will be a difference between females and males and their public speaking anxiety."
What is the null hypothesis?

Accepted Answer

A) There will be a relationship between gender and public speaking anxiety. 
B) There will be no relationship between females and males and public speaking anxiety. 
C) There is no difference between females and males and their public speaking anxiety. 
D) There will be a difference between gender and public speaking anxiety. 
A) There will be a relationship between gender and public speaking anxiety. 
B) There will be no relationship between females and males and public speaking anxiety. 
C) There is no difference between females and males and their public speaking anxiety. 
D) There will be a difference between gender and public speaking anxiety.

Question 4

The statistical notation "H1" represents what concept?

Accepted Answer

A) a hypothetical question 
B) a research question 
C) the null hypothesis 
D) the alternative hypothesis 
A) a hypothetical question 
B) a research question 
C) the null hypothesis 
D) the alternative hypothesis

Question 5

Match each of the following terms with the correct statement.
-Type One Error

Accepted Answer

A) A prediction that there is a significant difference or relationship but does not indicate the specific nature of the difference or relationship. 
B) When a researcher inquires if there is a difference or relationship between two or more variables. 
C) When a research rejects a null hypothesis based on a sample when the null should be accepted. 
D) Predicting the specific nature of the relationship (positive/negative) or difference. 
E) Questions that occur when a researcher asks if there is either a specific significant difference between two or more variables or a positive or negative relationship between two or more variables. 
A) A prediction that there is a significant difference or relationship but does not indicate the specific nature of the difference or relationship. 
B) When a researcher inquires if there is a difference or relationship between two or more variables. 
C) When a research rejects a null hypothesis based on a sample when the null should be accepted. 
D) Predicting the specific nature of the relationship (positive/negative) or difference. 
E) Questions that occur when a researcher asks if there is either a specific significant difference between two or more variables or a positive or negative relationship between two or more variables.

Question 6

H0 is the notation used to represent the null hypothesis.

Accepted Answer

A) True 
 B)False

Question 7

A __________ is a statement about the relationship between independent and dependent variables.

Accepted Answer

A) alternative hypothesis 
B) hypothesis 
C) null hypothesis 
D) research question 
A) alternative hypothesis 
B) hypothesis 
C) null hypothesis 
D) research question

Question 8

What is the process of analyzing quantitative data to determine if a null hypothesis is probably either true or false?

Accepted Answer

A) probability testing 
B) sampling 
C) significance testing 
D) population testing 
A) probability testing 
B) sampling 
C) significance testing 
D) population testing

Question 9

The standard probability level is always going to be .005.

Accepted Answer

A) True 
 B)False

Question 10

The null hypothesis allows researchers to determine the probability that the results found in a sample are consistent with the overall population.

Accepted Answer

A) True 
 B)False

Question 11

What process determines if chance causes a difference or relationship between two or more variables?

Accepted Answer

A) significance testing 
B) probability testing 
C) confidence interval 
D) error testing 
A) significance testing 
B) probability testing 
C) confidence interval 
D) error testing

Question 12

Bob conducts a statistical test and receives a p value of .0005. Based on this information, what can we say about the statistical test Bob calculated?

Accepted Answer

A) the test is statistically significant 
B) the test is practically significant 
C) the test indicates a clear effect size 
D) the test shows that the study has power 
A) the test is statistically significant 
B) the test is practically significant 
C) the test indicates a clear effect size 
D) the test shows that the study has power

Question 13

Match each of the following terms with the correct statement.
-Nondirectional Research Question

Accepted Answer

A) A prediction that there is a significant difference or relationship but does not indicate the specific nature of the difference or relationship. 
B) When a researcher inquires if there is a difference or relationship between two or more variables. 
C) When a research rejects a null hypothesis based on a sample when the null should be accepted. 
D) Predicting the specific nature of the relationship (positive/negative) or difference. 
E) Questions that occur when a researcher asks if there is either a specific significant difference between two or more variables or a positive or negative relationship between two or more variables. 
A) A prediction that there is a significant difference or relationship but does not indicate the specific nature of the difference or relationship. 
B) When a researcher inquires if there is a difference or relationship between two or more variables. 
C) When a research rejects a null hypothesis based on a sample when the null should be accepted. 
D) Predicting the specific nature of the relationship (positive/negative) or difference. 
E) Questions that occur when a researcher asks if there is either a specific significant difference between two or more variables or a positive or negative relationship between two or more variables.

Question 14

If a researcher decides that it is appropriate to use a one-tailed hypothesis, how is the critical value affected?

Accepted Answer

When a researcher decides to use a one-t

Question 15

H1 is the notation used to represent the alternative hypothesis.

Accepted Answer

A) True 
 B)False

Question 16

Sara has conducted a study using a random sample. In her study, her hypothesis was supported, but in the population where her sample was taken from, she should have accepted the null hypothesis. What has occurred?

Accepted Answer

A) confidence interval 
B) Type I error 
C) Type II error 
D) power 
A) confidence interval 
B) Type I error 
C) Type II error 
D) power

Question 17

The probability level is sometimes called the critical value.

Accepted Answer

A) True 
 B)False

Question 18

Ralph is conducting a study and hypothesizes the following:
There will be a positive relationship between verbal aggression and physical aggression.
What does the following represent?
There will not be a relationship between verbal aggression and physical aggression.

Accepted Answer

A) null hypothesis 
B) hypothesis 
C) alternative hypothesis 
D) descriptive hypothesis 
A) null hypothesis 
B) hypothesis 
C) alternative hypothesis 
D) descriptive hypothesis

Question 19

What is considered when determining critical values?

Accepted Answer

Critical values are specific points at a

Provide the null and alternative hypotheses for an experiment and for a study examining relationships.

Power is the strength of a relationship or the magnitude of difference occurring between two variables or the degree to which a null hypothesis is false.

In her study, Donna has the following alternative hypothesis: "There will be a difference between females and males and their public speaking anxiety." What is the null hypothesis?

The statistical notation "H₁" represents what concept?

Match each of the following terms with the correct statement. -Type One Error

H₀ is the notation used to represent the null hypothesis.

A __________ is a statement about the relationship between independent and dependent variables.

What is the process of analyzing quantitative data to determine if a null hypothesis is probably either true or false?

The standard probability level is always going to be .005.

The null hypothesis allows researchers to determine the probability that the results found in a sample are consistent with the overall population.

What process determines if chance causes a difference or relationship between two or more variables?

Bob conducts a statistical test and receives a p value of .0005. Based on this information, what can we say about the statistical test Bob calculated?

Match each of the following terms with the correct statement. -Nondirectional Research Question

If a researcher decides that it is appropriate to use a one-tailed hypothesis, how is the critical value affected?

H₁ is the notation used to represent the alternative hypothesis.

Sara has conducted a study using a random sample. In her study, her hypothesis was supported, but in the population where her sample was taken from, she should have accepted the null hypothesis. What has occurred?

The probability level is sometimes called the critical value.

Ralph is conducting a study and hypothesizes the following: There will be a positive relationship between verbal aggression and physical aggression. What does the following represent? There will not be a relationship between verbal aggression and physical aggression.

What is considered when determining critical values?

An Introduction to Communication Research

Empirical Research

Research Ethics

Searching for Previous Research and American Psychological Association Style

Research Structure and Literature Reviews

Variables

Measurement

Reliability and Validity

Survey Research

Content Analysis

Experimental Design

Sampling Methods

Descriptive Statistics

Chi-Square 2 Test of Independence

Independent Samples T Tests

One-Way Analysis of Variance

Correlation

Regression

Presenting Research

Statistical Tests and Concepts in Research Analysis

Filters

Exam 13: Hypothesis Testing

Provide the null and alternative hypotheses for an experiment and for a study examining relationships.

Power is the strength of a relationship or the magnitude of difference occurring between two variables or the degree to which a null hypothesis is false.

In her study, Donna has the following alternative hypothesis: "There will be a difference between females and males and their public speaking anxiety." What is the null hypothesis?

The statistical notation "H1" represents what concept?

Match each of the following terms with the correct statement. -Type One Error

H0 is the notation used to represent the null hypothesis.

A __________ is a statement about the relationship between independent and dependent variables.

What is the process of analyzing quantitative data to determine if a null hypothesis is probably either true or false?

The standard probability level is always going to be .005.

The null hypothesis allows researchers to determine the probability that the results found in a sample are consistent with the overall population.

What process determines if chance causes a difference or relationship between two or more variables?

Bob conducts a statistical test and receives a p value of .0005. Based on this information, what can we say about the statistical test Bob calculated?

Match each of the following terms with the correct statement. -Nondirectional Research Question

If a researcher decides that it is appropriate to use a one-tailed hypothesis, how is the critical value affected?

H1 is the notation used to represent the alternative hypothesis.

Sara has conducted a study using a random sample. In her study, her hypothesis was supported, but in the population where her sample was taken from, she should have accepted the null hypothesis. What has occurred?

The probability level is sometimes called the critical value.

Ralph is conducting a study and hypothesizes the following: There will be a positive relationship between verbal aggression and physical aggression. What does the following represent? There will not be a relationship between verbal aggression and physical aggression.

What is considered when determining critical values?

An Introduction to Communication Research

Empirical Research

Research Ethics

Searching for Previous Research and American Psychological Association Style

Research Structure and Literature Reviews

Variables

Measurement

Reliability and Validity

Survey Research

Content Analysis

Experimental Design

Sampling Methods

Descriptive Statistics

Chi-Square 2 Test of Independence

Independent Samples T Tests

One-Way Analysis of Variance

Correlation

Regression

Presenting Research

Statistical Tests and Concepts in Research Analysis

Filters

The statistical notation "H₁" represents what concept?

H₀ is the notation used to represent the null hypothesis.

H₁ is the notation used to represent the alternative hypothesis.