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Probability & Significance Quiz

Authored by James Paterson

Other

11th Grade

Used 6+ times

Probability & Significance Quiz
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the null hypothesis state?

There is a difference between conditions.

There is no difference between conditions.

The alternative hypothesis is true.

The significance level is 10%.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the usual significance level in psychology?

1%

10%

5%

0.5%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must the calculated value be compared with to determine significance?

A random value

A critical value

A mean value

A median value

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of test might be required when using tables of critical values?

One-tailed or two-tailed test

Three-tailed test

Four-tailed test

No-tailed test

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a Type I error?

Incorrect acceptance of a false null hypothesis

Incorrect rejection of a true null hypothesis

Correct acceptance of a true null hypothesis

Correct rejection of a false null hypothesis

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a Type II error?

Incorrect acceptance of a false null hypothesis

Incorrect rejection of a true null hypothesis

Correct acceptance of a true null hypothesis

Correct rejection of a false null hypothesis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is a more stringent significance level, such as 1%, recommended?

When the study is a one-off or has a human cost

When the study is repeated multiple times

When the study is about animals

When the study is about plants

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