Question 1

Define correlated groups design.

Accepted Answer

Correlated groups design, also known as

Question 2

By making alpha smaller we can decrease the probability of making a Type I error.

Accepted Answer

A) True 
 B)False

Question 3

Define retain null hypothesis.

Accepted Answer

The term "retain the null hypothesis" re

Question 4

If H 0 is true, beta equals 0.00.

Accepted Answer

A) True 
 B)False

Question 5

In a nondirectional alternative hypothesis, evaluating the probability of observing 7 pluses out of 8 events equals _________.

Accepted Answer

A)  p (7) 
B)  p (7) + p (8) 
C)  p (0) + p (1) + p (7) + p (8) 
D)  p (0) + p (8) 
A)  p (7) 
B)  p (7) + p (8) 
C)  p (0) + p (1) + p (7) + p (8) 
D)  p (0) + p (8)

Question 6

H 1 and H 0, taken together, cover the entire continuum with regard to possible effects of the independent variable.

Accepted Answer

A) True 
 B)False

Question 7

If you retain the null hypothesis, you may be making _________.

Accepted Answer

A)  a Type II error 
B)  a Type I error 
C)  a correct decision 
D)  a Type II error and a correct decision 
E)  a Type I error and a correct decision 
A)  a Type II error 
B)  a Type I error 
C)  a correct decision 
D)  a Type II error and a correct decision 
E)  a Type I error and a correct decision

Question 8

If alpha equals 0.05, how many times out of 100 would you expect to reject the null hypothesis when the null hypothesis is in fact true?

Accepted Answer

A)  1 
B)  0.05 
C)  0.01 
D)  5 
A)  1 
B)  0.05 
C)  0.01 
D)  5

Question 9

Define beta.

Accepted Answer

Beta, in finance, is a measure of the vo

Question 10

The sign test is used with the replicated measures design.

Accepted Answer

A) True 
 B)False

Question 11

When the results of an experiment are nonsignificant, the proper conclusion(s) is (are) _________.

Accepted Answer

A)  the experiment fails to show a real effect for the independent variable 
B)  chance alone is at work 
C)  accept H 0 
D)  accept H 1 
E)  the independent variable has no effect 
A)  the experiment fails to show a real effect for the independent variable 
B)  chance alone is at work 
C)  accept H 0 
D)  accept H 1 
E)  the independent variable has no effect

Question 12

Define null hypothesis.

Accepted Answer

The null hypothesis, denoted as H0, is a

Question 13

Unless the very same subject is used in the control and experimental condition the design cannot be a replicated measures design.

Accepted Answer

A) True 
 B)False

Question 14

Define significant.

Accepted Answer

The term "significant" generally refers

Question 15

Define size of effect.

Accepted Answer

The size of effect, often referred to as

Question 16

If a = 0.05 1 tail and the obtained result has a probability of 0.01 and is in the opposite direction to that predicted by H 1 , we conclude by _________.

Accepted Answer

A)  rejecting H 0 
B)  retaining H 0 
C)  accepting H 1 
D)  accepting H 0 
A)  rejecting H 0 
B)  retaining H 0 
C)  accepting H 1 
D)  accepting H 0

Question 17

The alpha level _________.

Accepted Answer

A)  is always set at 0.05 or 0.01 
B)  is set after the data are analyzed 
C)  is determined by the consequences of making a Type I and Type II error 
D)  depends on N 
A)  is always set at 0.05 or 0.01 
B)  is set after the data are analyzed 
C)  is determined by the consequences of making a Type I and Type II error 
D)  depends on N

Question 18

Define Type II error.

Accepted Answer

A Type II error, also known as a "false

Question 19

If the result of an experiment is statistically significant, this means _________.

Accepted Answer

A)  the result is reliable 
B)  the result is important 
C)  if we repeat the experiment, we expect the result to be significant again 
D)  the result is reliable and if we repeat the experiment, we expect the result to be significant again 
A)  the result is reliable 
B)  the result is important 
C)  if we repeat the experiment, we expect the result to be significant again 
D)  the result is reliable and if we repeat the experiment, we expect the result to be significant again

Question 20

A teacher wanted to compare two methods for teaching math. He randomly divided the class in half. Half the class was given the standard method first, followed by the new method. The other half was given the two methods in the opposite order. The results of tests given after each of the two methods are shown in the following table:

Accepted Answer

The answer of A teacher wanted to compare two methods...

Define correlated groups design.

By making alpha smaller we can decrease the probability of making a Type I error.

Define retain null hypothesis.

If H 0 is true, beta equals 0.00.

In a nondirectional alternative hypothesis, evaluating the probability of observing 7 pluses out of 8 events equals _________.

H 1 and H 0, taken together, cover the entire continuum with regard to possible effects of the independent variable.

If you retain the null hypothesis, you may be making _________.

If alpha equals 0.05, how many times out of 100 would you expect to reject the null hypothesis when the null hypothesis is in fact true?

Define beta.

The sign test is used with the replicated measures design.

When the results of an experiment are nonsignificant, the proper conclusion(s) is (are) _________.

Define null hypothesis.

Unless the very same subject is used in the control and experimental condition the design cannot be a replicated measures design.

Define significant.

Define size of effect.

If a = 0.05 1 tail and the obtained result has a probability of 0.01 and is in the opposite direction to that predicted by H 1 , we conclude by _________.

The alpha level _________.

Define Type II error.

If the result of an experiment is statistically significant, this means _________.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Exam 10: Introduction to Hypothesis Testing: Using the Sign Test

Define correlated groups design.

By making alpha smaller we can decrease the probability of making a Type I error.

Define retain null hypothesis.

If H 0 is true, beta equals 0.00.

In a nondirectional alternative hypothesis, evaluating the probability of observing 7 pluses out of 8 events equals _________.

H 1 and H 0, taken together, cover the entire continuum with regard to possible effects of the independent variable.

If you retain the null hypothesis, you may be making _________.

If alpha equals 0.05, how many times out of 100 would you expect to reject the null hypothesis when the null hypothesis is in fact true?

Define beta.

The sign test is used with the replicated measures design.

When the results of an experiment are nonsignificant, the proper conclusion(s) is (are) _________.

Define null hypothesis.

Unless the very same subject is used in the control and experimental condition the design cannot be a replicated measures design.

Define significant.

Define size of effect.

If a = 0.05 1 tail and the obtained result has a probability of 0.01 and is in the opposite direction to that predicted by H 1 , we conclude by _________.

The alpha level _________.

Define Type II error.

If the result of an experiment is statistically significant, this means _________.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters