Question 1

What is the most important role of a hypothesis?

Accepted Answer

The most important role of the...

Question 2

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

Accepted Answer

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

Question 3

Research hypotheses refer to ______.

Accepted Answer

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

Question 4

What are four differences between the null hypothesis and the research hypothesis?

Accepted Answer

The null hypothesis and the research hyp...

Question 5

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

Accepted Answer

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

Question 6

Until there is sufficient evidence otherwise,it must be assumed that ______.

Accepted Answer

A)  both the null and alternative hypotheses are true
B)  the alternative hypothesis is true
C)  neither the null nor alternative hypotheses are true
D)  the null hypothesis is true

Question 7

What does generalizability mean?

Accepted Answer

A)  Results may be applied to the population studied.
B)  Results apply only to the sample studied.
C)  Sampling error is high.
D)  The sample does not represent the population.

Question 8

What is the difference between the nondirectional research hypothesis and the directional research hypothesis?

Accepted Answer

A nondirectional research hypothesis ref...

Question 9

A smaller difference between the sample statistic and the population parameter means that you will have ______ sampling error.

Accepted Answer

A)  higher
B)  lower
C)  no
D)  infinite

Question 10

Which of the following provides you with a measure of how well your sample approximates the population?

Accepted Answer

A)  generalizability
B)  population
C)  sampling error
D)  hypothesis

Question 11

A hypothesis that reflects the difference between groups but does NOT specify the direction of the difference is a(an) ______.

Accepted Answer

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

Question 12

The word "statistic" technically refers to a number that describes a sample.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following symbols represents the first research hypothesis?

Accepted Answer

A)  H1
B)   μ\muμ 1 
C)  X1
D)  H0

Question 14

If you are unsure whether the null or research hypothesis is true,you can assume that the research hypothesis is true.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following symbols represents the theoretical average of the population for one group?

Accepted Answer

A)  H1
B)   μ\muμ 1 
C)  X1
D)  H0

Question 16

Which of the following is a measure of how well a sample approximates the characteristics of a population?

Accepted Answer

A)  sampling accuracy
B)  sampling error
C)  sampling generalizability
D)  sampling consistency

Question 17

When you hypothesize that there is no relationship between reaction time and problem-solving abilities,you have a ______.

Accepted Answer

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

Question 18

The hypothesis helps to determine which of the following?

Accepted Answer

A)  average score
B)  variability
C)  techniques to be used
D)  sampling plan

Question 19

Define null hypothesis and research hypothesis.

Accepted Answer

The null hypothesis is a state...

Question 20

Which of the following represents a null hypothesis?

Accepted Answer

A)  H1: X1 2
B)  H0:  μ\muμ 1= μ\muμ 2 
C)  H1: μ\muμ  1  >\gt>μ\muμ  2 
D)  H1: X1 = X2

Exam 7: Hypotheticals and You: Testing Your Questions

Define null hypothesis and research hypothesis.

Correct AnswerverifiedThe null hypothesis is a state...View AnswerShow Answer

Which of the following is a measure of how well a sample approximates the characteristics of a population?

Correct AnswerverifiedShow Answer

A smaller difference between the sample statistic and the population parameter means that you will have ______ sampling error.

Correct AnswerverifiedShow Answer

The hypothesis helps to determine which of the following?

Correct AnswerverifiedShow Answer

What is the difference between the nondirectional research hypothesis and the directional research hypothesis?

Correct AnswerverifiedA nondirectional research hypothesis ref...View AnswerShow Answer

Which of the following represents a null hypothesis?

Correct AnswerverifiedShow Answer

Until there is sufficient evidence otherwise,it must be assumed that ______.

Correct AnswerverifiedShow Answer

Which of the following symbols represents the first research hypothesis?

Correct AnswerverifiedShow Answer

Research hypotheses refer to ______.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What are four differences between the null hypothesis and the research hypothesis?

Correct AnswerverifiedThe null hypothesis and the research hyp...View AnswerShow Answer

If you are unsure whether the null or research hypothesis is true,you can assume that the research hypothesis is true.

Correct AnswerverifiedShow Answer

Which of the following provides you with a measure of how well your sample approximates the population?

Correct AnswerverifiedShow Answer

Which of the following symbols represents the theoretical average of the population for one group?

Correct AnswerverifiedShow Answer

When you hypothesize that there is no relationship between reaction time and problem-solving abilities,you have a ______.

Correct AnswerverifiedShow Answer

What does generalizability mean?

Correct AnswerverifiedShow Answer

What is the most important role of a hypothesis?

Correct AnswerverifiedThe most important role of the...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

The word "statistic" technically refers to a number that describes a sample.

Correct AnswerverifiedShow Answer

A hypothesis that reflects the difference between groups but does NOT specify the direction of the difference is a(an) ______.

Correct AnswerverifiedShow Answer

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The null hypothesis is a state...
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A nondirectional research hypothesis ref...
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The null hypothesis and the research hyp...
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The most important role of the...
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