Question 1

Research hypotheses refer to _______.

Accepted Answer

A) the population 
B) multiple samples 
C) multiple populations 
D) the sample 
A) the population 
B) multiple samples 
C) multiple populations 
D) the sample

Question 2

Define null hypothesis and research hypothesis.

Accepted Answer

The null hypothesis is a state

Question 3

What does your research question help to guide?

Accepted Answer

A) hypothesis 
B) correlation 
C) sampling error 
D) average score 
A) hypothesis 
B) correlation 
C) sampling error 
D) average score

Question 4

The _______ is a more testable version of a research question.

Accepted Answer

A) hypothesis 
B) theorem 
C) postulate 
D) theory 
A) hypothesis 
B) theorem 
C) postulate 
D) theory

Question 5

The group you actually collect data from for your study is known as the _______.

Accepted Answer

A) population 
B) sample 
C) sampling error 
D) general group 
A) population 
B) sample 
C) sampling error 
D) general group

Question 6

Why is it important to have a precise and clear research question?

Accepted Answer

It is important to have a clea

Question 7

A good hypothesis is stated as a question.

Accepted Answer

A) True 
 B)False

Question 8

Having a large degree of sampling error does not affect generalizability.

Accepted Answer

A) True 
 B)False

Question 9

A _______ is a hypothesis that reflects the difference between groups and also specifies the direction of the difference.

Accepted Answer

A) null hypothesis 
B) nondirectional research hypothesis 
C) directional research hypothesis 
D) none of these 
A) null hypothesis 
B) nondirectional research hypothesis 
C) directional research hypothesis 
D) none of these

Question 10

If you were to hypothesize that there is a relationship between reaction time and problem-solving ability, you would have a ______.

Accepted Answer

A) directional research hypothesis 
B) nondirectional research hypothesis 
C) null hypothesis 
D) hypothesis type that cannot be determined 
A) directional research hypothesis 
B) nondirectional research hypothesis 
C) null hypothesis 
D) hypothesis type that cannot be determined

Question 11

A _______ is a hypothesis that reflects the difference between groups but does not specify the direction of the difference.

Accepted Answer

A) null hypothesis 
B) directional research hypothesis 
C) nondirectional research hypothesis 
D) none of these 
A) null hypothesis 
B) directional research hypothesis 
C) nondirectional research hypothesis 
D) none of these

Question 12

What test would you want to use to test a directional research hypothesis?

Accepted Answer

A) one-tailed test 
B) two-tailed test 
C) nonparametric test 
D) frequency test 
A) one-tailed test 
B) two-tailed test 
C) nonparametric test 
D) frequency test

Question 13

The _______ is defined as an "educated guess" that describes the relationship between variables.

Accepted Answer

A) research question 
B) hypothesis 
C) theorem 
D) postulate 
A) research question 
B) hypothesis 
C) theorem 
D) postulate

Question 14

A sample is best defined as ______.

Accepted Answer

A) the first 20% of the population 
B) the last 20% of the population 
C) a smaller group selected from a given population 
D) a smaller group selected from the general populace 
A) the first 20% of the population 
B) the last 20% of the population 
C) a smaller group selected from a given population 
D) a smaller group selected from the general populace

Question 15

What purposes does the null hypothesis serve?

Accepted Answer

First, the null hypothesis acts as a sta

Question 16

The null hypothesis can only be tested indirectly.

Accepted Answer

A) True 
 B)False

Question 17

When the sample accurately represents the population, the results of the study are said to have a high degree of _______.

Accepted Answer

A) quality 
B) validity 
C) error 
D) generalizability 
A) quality 
B) validity 
C) error 
D) generalizability

Question 18

When writing a null hypothesis, what type of letters are used?

Accepted Answer

A) Arabic 
B) Greek 
C) Roman 
D) Latin (English) 
A) Arabic 
B) Greek 
C) Roman 
D) Latin (English)

Question 19

What type of hypothesis posits a difference between groups where the difference is not specified?

Accepted Answer

A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis 
A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis

Question 20

What type of hypothesis posits a difference between groups where the difference is specified?

Accepted Answer

A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis 
A) directional hypothesis 
B) nondirectional hypothesis 
C) research hypothesis 
D) null hypothesis

Exam 7: Hypotheticals and You: Testing Your Questions

Research hypotheses refer to _______.

Define null hypothesis and research hypothesis.

What does your research question help to guide?

The _______ is a more testable version of a research question.

The group you actually collect data from for your study is known as the _______.

Why is it important to have a precise and clear research question?

A good hypothesis is stated as a question.

Having a large degree of sampling error does not affect generalizability.

A _______ is a hypothesis that reflects the difference between groups and also specifies the direction of the difference.

If you were to hypothesize that there is a relationship between reaction time and problem-solving ability, you would have a ______.

A _______ is a hypothesis that reflects the difference between groups but does not specify the direction of the difference.

What test would you want to use to test a directional research hypothesis?

The _______ is defined as an "educated guess" that describes the relationship between variables.

A sample is best defined as ______.

What purposes does the null hypothesis serve?

The null hypothesis can only be tested indirectly.

When the sample accurately represents the population, the results of the study are said to have a high degree of _______.

When writing a null hypothesis, what type of letters are used?

What type of hypothesis posits a difference between groups where the difference is not specified?

What type of hypothesis posits a difference between groups where the difference is specified?

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