Question 1
|
What test would you want to use to test a nondirectional research hypothesis? |
- Answer
|
[removed] |
A. |
One-tailed test |
|
[removed] |
B. |
Two-tailed test |
|
[removed] |
C. |
Non-parametric test |
|
[removed] |
D. |
Frequency test |
0.5 points
Question 2
Approximately what percent of scores will fall within one standard deviation of the mean under the normal curve?
Answer
|
[removed] |
A. |
14 |
|
[removed] |
B. |
34 |
|
[removed] |
C. |
68 |
|
[removed] |
D. |
95 |
0.5 points
Question 3
The degree of risk you are willing to take that you will reject the null hypothesis when it is actually true is called ____________.
Answer
|
[removed] |
A. |
Statistical significance |
|
[removed] |
B. |
Type II error |
|
[removed] |
C. |
Type III error |
|
[removed] |
D. |
Power |
0.5 points
Question 4
If you posit a relationship between two variables as being positive (or negative), what type of test should you use?
Answer
|
[removed] |
A. |
Two-tailed |
|
[removed] |
B. |
ANOVA |
|
[removed] |
C. |
One-tailed |
|
[removed] |
D. |
Cohen’s d |
0.5 points
Question 5
What does your research question help to guide?
Answer
|
[removed] |
A. |
Relationships |
|
[removed] |
B. |
Hypothesis |
|
[removed] |
C. |
Sampling error |
|
[removed] |
D. |
Average score |
0.5 points
Question 6
If the obtained value is less than the critical value, what should you do?
Answer
|
[removed] |
A. |
Reject the null hypothesis |
|
[removed] |
B. |
Accept the null hypothesis |
|
[removed] |
C. |
Set a higher p value |
|
[removed] |
D. |
Increase your sample |
0.5 points
Question 7
|
What is the term associated with how flat or peaked a distribution appears? |
- Answer
|
[removed] |
A. |
Ogive |
|
[removed] |
B. |
Skewness |
|
[removed] |
C. |
Kurtosis |
|
[removed] |
D. |
Variability |
0.5 points
Question 8
When describing a set of nominal data, a researcher should use which of the following measures of central tendency?
Answer
|
[removed] |
A. |
Mode |
|
[removed] |
B. |
Median |
|
[removed] |
C. |
Standard deviation |
|
[removed] |
D. |
Mean |
0.5 points
Question 9
When the sample accurately represents the population, the results of the study are said to have a high degree of _____________.
Answer
|
[removed] |
A. |
reliability |
|
[removed] |
B. |
validity |
|
[removed] |
C. |
consistency |
|
[removed] |
D. |
generalizability |
0.5 points
Question 10
When calculating the average for a set of data with extreme scores (eg. household income), which measure of central tendency would be best used?
Answer
|
[removed] |
A. |
mean |
|
[removed] |
B. |
median |
|
[removed] |
C. |
mode |
|
[removed] |
D. |
standard error |
0.5 points
Question 11
Which of the following is a measure of how well a sample approximates the characteristics of a population?
Answer
|
[removed] |
A. |
sampling accuracy |
|
[removed] |
B. |
sampling error |
|
[removed] |
C. |
sampling generalizability |
|
[removed] |
D. |
sampling consistency |
0.5 points
Question 12
|
What term is associated with scores that are at the extreme ends of the distribution? |
- Answer
|
[removed] |
A. |
Variability |
|
[removed] |
B. |
Skew |
|
[removed] |
C. |
Outlier |
|
[removed] |
D. |
Percentile |
0.5 points
Question 13
Which of the following provides you with a measure of how well your sample approximates the population?
Answer
|
[removed] |
A. |
Generalizability |
|
[removed] |
B. |
Population |
|
[removed] |
C. |
Hypothesis |
|
[removed] |
D. |
Sampling error |
0.5 points
Question 14
When are descriptive measures most often used?
Answer
|
[removed] |
A. |
to describe how often something occurs |
|
|
[removed] |
B. |
to determine if a sample is representative of a population |
|
|
[removed] |
C. |
||
|
[removed] |
D. |
|
0.5 points
Question 15
How are inferential statistics most often used?
Answer
|
[removed] |
A. |
to infer to the quality of data collected |
|
[removed] |
B. |
to organize and describe data |
|
[removed] |
C. |
to make inferences from the sample to the population |
|
[removed] |
D. |
0.5 points
Question 16
|
What is the standard acceptable percentage used by social, behavioral and educational statisticians to determine the probability of an event occurring due to chance? |
- Answer
|
[removed] |
A. |
1 percent |
|
[removed] |
B. |
5 percent |
|
[removed] |
C. |
95 percent |
|
[removed] |
D. |
99 percent |
0.5 points
Question 17
What type of hypothesis posits a difference between groups where the direction is specified?
Answer
|
[removed] |
A. |
Nondirectional hypothesis |
|
[removed] |
B. |
Directional hypothesis |
|
[removed] |
C. |
Research hypothesis |
|
[removed] |
D. |
Null hypothesis |
0.5 points
Question 18
Which level of measurement is concerned only with the characteristics of an outcome that fits into a category?
Answer
|
[removed] |
A. |
ordinal |
|
[removed] |
B. |
interval |
|
[removed] |
C. |
rank |
|
[removed] |
D. |
nominal |
0.5 points
Question 19
What is the basis for the normal curve and inferential statistics?
Answer
|
[removed] |
A. |
mean |
|
[removed] |
B. |
asymptotic |
|
[removed] |
C. |
probability |
|
[removed] |
D. |
symmetry |
0.5 points
Question 20
Variability is a measure of how much individual scores differ from the ______________.
Answer
|
[removed] |
A. |
Mean |
|
[removed] |
B. |
Range |
|
[removed] |
C. |
Standard deviation |
|
[removed] |
D. |
Variance |
Order an Essay Now & Get These Features For Free:
Turnitin Report
Formatting
Title Page
Citation
Outline
