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Liberty University Online Academy - EDUC 750EDUC 750 Quiz 3

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·         Question 1

3 out of 3 points

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

·         Question 2

3 out of 3 points

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

·         Question 3

3 out of 3 points

Another term for trend study is:

·         Question 4

3 out of 3 points

A representative sample of teachers was surveyed five times in a one year period as part of a study examining teaching methods for shy children.  By the fourth round of surveys, many of the teachers responded with pat answers in order to get the survey over with. The teachers were likely exhibiting:

·         Question 5

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 6

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 7

3 out of 3 points

All true experiments have a posttest.

·         Question 8

3 out of 3 points

Project STAR was the only large-scale, randomized trial study that examined:

·         Question 9

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 10

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 11

3 out of 3 points

According to the authors, which type of research design is always preferable?

·         Question 12

3 out of 3 points

Spurious means true or genuine.

·         Question 13

3 out of 3 points

Lack of symmetry is also called:

·         Question 14

3 out of 3 points

The mode and median are measures of :

·         Question 15

3 out of 3 points

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

·         Question 16

3 out of 3 points

Secondary analysis involves a substandard data set.

·         Question 17

3 out of 3 points

Which measure of central tendency can summarize variables at the nominal level?

·         Question 18

3 out of 3 points

Which action is NOT included in the preparation for data analysis?

·         Question 19

3 out of 3 points

The square root of the variance is the:

·         Question 20

3 out of 3 points

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

·         Question 21

3 out of 3 points

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

·         Question 22

3 out of 3 points

Level of measurement determines the appropriateness of a particular statistic.

·         Question 23

3 out of 3 points

The most frequent value in a distribution is the:

·         Question 24

3 out of 3 points

The correlation coefficient is a measure of:

·         Question 25

3 out of 3 points

Frequency distributions that display percentages must also include:

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[Solved] Liberty University Online Academy - EDUC 750EDUC 750 Quiz 3

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• Question 1 3 out of 3 points Subjects are not randomly assigned to the comparison and experimental groups in quasi-experimental design. • Question 2 3 out of 3 points Which of the following is NOT a characteristic of a true experiment? • Question 3 3 out of 3 points Another term for trend study is: • Question 4 3 out of 3 points A representative sample of teachers was surveyed five times in a one year period as part of a study examining teaching methods for shy children. By the fourth round of surveys, many of the teachers responded with pat answers in order to get the survey over with. The teachers were likely exhibiting: • Question 5 3 out of 3 points Christopher Brown's (2009) study examining the disconnect between...
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