Liberty University EDUC 750 QUIZ 3

**EDUC 750 QUIZ 3**

· **Question 1**

3 out of 3 points

In the ex post facto control group design, participants decide themselves whether to join the control or treatment group.

· **Question 2**

3 out of 3 points

Christopher Brown’s (2009) study examining the disconnect between prekindergarten and elementary school teaching approaches was an example of a (n):

· **Question 3**

3 out of 3 points

Subjects are not randomly assigned to the comparison and experimental groups in quasi-experimental design.

· **Question 4**

3 out of 3 points

A major weakness of cross-sectional design is it:

· **Question 5**

3 out of 3 points

Which of the following is NOT a characteristic of a true experiment?

· **Question 6**

3 out of 3 points

All true experiments have a posttest.

· **Question 7**

3 out of 3 points

A researcher who draws conclusions about individual-level processes from group-level data may be making a (n) _____ fallacy.

· **Question 8**

3 out of 3 points

In a study examining the effects of ADHD medication on school children, the children who don’t receive the medication would be the _____ group.

· **Question 9**

3 out of 3 points

Another term for trend study is:

· **Question 10**

3 out of 3 points

Identification of the context in which a causal relationship occurs is a criterion for a valid causal relationship.

· **Question 11**

3 out of 3 points

Matching is an effective substitute for randomization.

· **Question 12**

3 out of 3 points

Nonequivalent control group design is a type of _____ design.

· **Question 13**

3 out of 3 points

The _____ is computed by taking each score and subtracting the mean; then squaring the difference; then summing all these differences; then dividing this sum by the total number of scores.

· **Question 14**

3 out of 3 points

Statistics used to describe the association among variables and to control for other variables are called:

· **Question 15**

3 out of 3 points

The _____ indicates how sure we can be, given our particular random sample, that the value of some statistic in the population falls within a particular range.

· **Question 16**

3 out of 3 points

Most measures of central tendency and variability are also inappropriate for qualitative variables.

· **Question 17**

3 out of 3 points

A bar chart would be the best method of describing which variable?

· **Question 18**

0 out of 3 points

Secondary analysis involves a substandard data set.

· **Question 19**

3 out of 3 points

Which measure of central tendency would be most affected by a small number of extreme cases?

· **Question 20**

3 out of 3 points

Level of measurement determines the appropriateness of a particular statistic.

· **Question 21**

3 out of 3 points

The most frequent value in a distribution is the:

· **Question 22**

3 out of 3 points

How we interpret and report statistics determines their usefulness.

· **Question 23**

3 out of 3 points

_____ occurs when a researcher concludes there is a relationship between variables in a population when in fact there is none.

· **Question 24**

3 out of 3 points

The concept of _____ is central to the ethical use of statistics.

· **Question 25**

3 out of 3 points

An exceptionally high or low value in a distribution is referred to as a(n):

The price is based on these factors:

Academic level

Number of pages

Urgency

Basic features

- Free title page and bibliography
- Unlimited revisions
- Plagiarism-free guarantee
- Money-back guarantee
- 24/7 support

On-demand options

- Writer’s samples
- Part-by-part delivery
- Overnight delivery
- Copies of used sources
- Expert Proofreading

Paper format

- 275 words per page
- 12 pt Arial/Times New Roman
- Double line spacing
- Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Delivering a high-quality product at a reasonable price is not enough anymore.

That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more
## Recent Comments