Question 1

The first step in hypothesis testing is typically to state the null hypothesis.

Accepted Answer

A) True 
 B)False

Question 2

The standard deviation of the sampling distribution is known as the _____________________.

Accepted Answer

A)  standard error 
B)  standard distribution 
C)  sampling error 
D)  central limit theorem 
A)  standard error 
B)  standard distribution 
C)  sampling error 
D)  central limit theorem

Question 3

The use of a null hypothesis is based on the logic of _________________.

Accepted Answer

A)  falsifiability 
B)  control 
C)  hypothesis 
D)  variables 
A)  falsifiability 
B)  control 
C)  hypothesis 
D)  variables

Question 4

As the number of the samples gets larger, the mean of the sampling distribution will be the same as the population mean.

Accepted Answer

A) True 
 B)False

Question 5

A _____________________ is a tentative statement about the plausible relationship between two or more variables that is subject to empirical verification.

Accepted Answer

A)  sampling distribution of means 
B)  hypothesis 
C)  sampling error 
D)  significance test 
A)  sampling distribution of means 
B)  hypothesis 
C)  sampling error 
D)  significance test

Question 6

In a normal distribution, _________________ percent of the cases fall within -1 and 1 standard deviations of the mean.

Accepted Answer

A)  100 
B)  99 
C)  34.13 
D)  95 
A)  100 
B)  99 
C)  34.13 
D)  95

Question 7

The independent variable is also known as the outcome variable.

Accepted Answer

A) True 
 B)False

Question 8

The standard error establishes a theoretical relationship between sample values and the population parameter.

Accepted Answer

A) True 
 B)False

Question 9

The central limit theorem refers to the phenomenon that the mean of a large number of samples will have the same mean as the population.

Accepted Answer

A) True 
 B)False

Question 10

A ___________________ hypothesis is set the opposite of your research hypothesis.

Accepted Answer

A)  type I 
B)  type II 
C)  null 
D)  alternative 
A)  type I 
B)  type II 
C)  null 
D)  alternative

Question 11

If a p-value of .04 is reported and you have decided on a .05 level of significance, then your result is said to be ___________________.

Accepted Answer

A)  not statistically significant 
B)  statistically significant 
C)  nondirectional 
D)  directional 
A)  not statistically significant 
B)  statistically significant 
C)  nondirectional 
D)  directional

Question 12

The ______________________ represents the probability of a chance result.

Accepted Answer

A)  alpha level 
B)  beta level 
C)  null hypothesis 
D)  confidence level 
A)  alpha level 
B)  beta level 
C)  null hypothesis 
D)  confidence level

Question 13

In Jim's case, he would like to compare the effectiveness of two service delivery models, the existing service model and the alternative service model. The level of effectiveness is what type of variable in the hypothesized relationship?

Accepted Answer

A)  dependent 
B)  independent 
C)  extraneous 
D)  control 
A)  dependent 
B)  independent 
C)  extraneous 
D)  control

Question 14

In Emily's case, her null hypothesis is ______________________.

Accepted Answer

A)  there is a relationship between diversity training attendance and level of cultural competence 
B)  there is a negative relationship between diversity training attendance and level of cultural competence 
C)  there is a positive relationship between diversity training attendance and level of cultural competence 
D)  there is no relationship between diversity training attendance and level of cultural competence 
A)  there is a relationship between diversity training attendance and level of cultural competence 
B)  there is a negative relationship between diversity training attendance and level of cultural competence 
C)  there is a positive relationship between diversity training attendance and level of cultural competence 
D)  there is no relationship between diversity training attendance and level of cultural competence

Question 15

The ____________________ is the degree of difference between the sample statistics and the population parameter

Accepted Answer

A)  level of significance 
B)  standard error 
C)  sampling error 
D)  p-value 
A)  level of significance 
B)  standard error 
C)  sampling error 
D)  p-value

Question 16

In Jim's case, he finds that the mean response time was 4.55 minutes in 2011. What kind of statistic is this?

Accepted Answer

A)  Longitudinal 
B)  Inferential 
C)  Descriptive 
D)  Significance 
A)  Longitudinal 
B)  Inferential 
C)  Descriptive 
D)  Significance

Question 17

All research has a research hypothesis.

Accepted Answer

A) True 
 B)False

Question 18

If you have a set a significance level of .05; then your confidence level is what?

Accepted Answer

A)  cannot determine the confidence level 
B)  90% 
C)  95% 
D)  99.95% 
A)  cannot determine the confidence level 
B)  90% 
C)  95% 
D)  99.95%

The first step in hypothesis testing is typically to state the null hypothesis.

The standard deviation of the sampling distribution is known as the _____________________.

The use of a null hypothesis is based on the logic of _________________.

As the number of the samples gets larger, the mean of the sampling distribution will be the same as the population mean.

A _____________________ is a tentative statement about the plausible relationship between two or more variables that is subject to empirical verification.

In a normal distribution, _________________ percent of the cases fall within -1 and 1 standard deviations of the mean.

The independent variable is also known as the outcome variable.

The standard error establishes a theoretical relationship between sample values and the population parameter.

The central limit theorem refers to the phenomenon that the mean of a large number of samples will have the same mean as the population.

A ___________________ hypothesis is set the opposite of your research hypothesis.

If a p-value of .04 is reported and you have decided on a .05 level of significance, then your result is said to be ___________________.

The ______________________ represents the probability of a chance result.

In Jim's case, he would like to compare the effectiveness of two service delivery models, the existing service model and the alternative service model. The level of effectiveness is what type of variable in the hypothesized relationship?

In Emily's case, her null hypothesis is ______________________.

The ____________________ is the degree of difference between the sample statistics and the population parameter

In Jim's case, he finds that the mean response time was 4.55 minutes in 2011. What kind of statistic is this?

All research has a research hypothesis.

If you have a set a significance level of .05; then your confidence level is what?

When a Practitioner Becomes a Researcher

Research Alignment

Identifying the Focus of the Research

Research Design

Sample Selection

Data Collection

Quantitative Data Preparation and Descriptive Statistics

Comparing Means Between Two Groups

Comparing Means of More Than Two Groups

Bivariate Correlation

Chi-Square Analysis

Regression Analysis

Qualitative Data Analysis

Writing Reports

Using Research Methods for Continuous Improvement

Filters

Exam 8: Hypothesis Testing and Statistical Significance

The first step in hypothesis testing is typically to state the null hypothesis.

The standard deviation of the sampling distribution is known as the _____________________.

The use of a null hypothesis is based on the logic of _________________.

As the number of the samples gets larger, the mean of the sampling distribution will be the same as the population mean.

A _____________________ is a tentative statement about the plausible relationship between two or more variables that is subject to empirical verification.

In a normal distribution, _________________ percent of the cases fall within -1 and 1 standard deviations of the mean.

The independent variable is also known as the outcome variable.

The standard error establishes a theoretical relationship between sample values and the population parameter.

The central limit theorem refers to the phenomenon that the mean of a large number of samples will have the same mean as the population.

A ___________________ hypothesis is set the opposite of your research hypothesis.

If a p-value of .04 is reported and you have decided on a .05 level of significance, then your result is said to be ___________________.

The ______________________ represents the probability of a chance result.

In Jim's case, he would like to compare the effectiveness of two service delivery models, the existing service model and the alternative service model. The level of effectiveness is what type of variable in the hypothesized relationship?

In Emily's case, her null hypothesis is ______________________.

The ____________________ is the degree of difference between the sample statistics and the population parameter

In Jim's case, he finds that the mean response time was 4.55 minutes in 2011. What kind of statistic is this?

All research has a research hypothesis.

If you have a set a significance level of .05; then your confidence level is what?

When a Practitioner Becomes a Researcher

Research Alignment

Identifying the Focus of the Research

Research Design

Sample Selection

Data Collection

Quantitative Data Preparation and Descriptive Statistics

Comparing Means Between Two Groups

Comparing Means of More Than Two Groups

Bivariate Correlation

Chi-Square Analysis

Regression Analysis

Qualitative Data Analysis

Writing Reports

Using Research Methods for Continuous Improvement

Filters