Question 1

The procedure for combining the results of several different studies is __________.

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The answer of The procedure for combining the results of...

Question 2

Increasing sample size __________ power.

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The answer of Increasing sample size __________ power....

Question 3

d = (μ1 - μ2)/ __________.

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The answer of d = (μ1 - μ2)/ __________....

Question 4

According to Cohen,a good general rule for when it is worthwhile to conduct a study is when power is at least __________%.

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The answer of According to Cohen,a good general rule for...

Question 5

The degree of separation between populations due to the independent variable is one way of understanding __________.

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The answer of The degree of separation between populations due...

Question 6

The probability of making a Type I error is __________.

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The answer of The probability of making a Type I...

Question 7

A way to increase effect size is to change the procedures of a study so that the __________ of the population is decreased.

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The answer of A way to increase effect size is...

Question 8

If power is 45%,then beta equals __________.

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The answer of If power is 45%,then beta equals __________....

Question 9

Failing to reject the null hypothesis when in fact it is false is a(n)__________.

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The answer of Failing to reject the null hypothesis when...

Question 10

To determine how likely it is that the result of a planned experiment will be significant if,in fact,the research hypothesis is true,an experimenter can figure __________.

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The answer of To determine how likely it is that...

Question 11

When the known and comparison populations overlap by 85%,the effect size is __________.

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The answer of When the known and comparison populations overlap...

Question 12

A statistic that combines two of the main influences on power,the expected difference between populations and the population standard deviation,is __________.

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The answer of A statistic that combines two of the...

Question 13

The effect size of a study is a good indicator of its practical importance because,unlike statistical significance,it is not affected by __________.

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The answer of The effect size of a study is...

Question 14

Type I errors occur when a statistically significant result is obtained when in fact __________.

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The answer of Type I errors occur when a statistically...

Question 15

Rejecting the null hypothesis when in fact it is true is a(n)__________.

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The answer of Rejecting the null hypothesis when in fact...

Question 16

Using the .01 level of significance instead of the .05 level increases the chance of making a(n)__________.

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The answer of Using the .01 level of significance instead...

Question 17

The probability of making a Type II error is __________.

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The answer of The probability of making a Type II...

Question 18

Most of the time,experimenters determine the power of a planned experiment by using a(n)__________.

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The answer of Most of the time,experimenters determine the power...

Question 19

p < .05 means that there is less than a 5% chance of making a(n)__________.

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The answer of p < .05 means that there is...

Question 20

The probability of not making a Type II error is __________.

Accepted Answer

The answer of The probability of not making a Type...

Quiz 6: Making Sense of Statistical Significance:decision Errors, Effect Size, and Statistical Power