Research in Education Evidence-Based Inquiry

Question 1

Descriptive statistics transform a set of numbers or observations into indices that describe or characterize the data.

Accepted Answer

True

Question 2

Which type of validity focuses on whether the results can be applied to other populations?

Accepted Answer

External validity

Question 3

What potential harm is specifically mentioned regarding participant discomfort?

Accepted Answer

Answering personal questions or questions about deviant behavior

Question 4

Which type of validity checks if test questions represent the content well?

Accepted Answer

Evidence based on test content

Question 5

Which measure of variability is defined as the difference between the highest and lowest scores in a distribution?

Accepted Answer

Range

Question 6

What is NOT considered a strategy for protecting privacy in research?

Accepted Answer

Full disclosure of participants’ identities to other researchers

Question 7

Probability sampling estimates a population’s characteristics using a smaller, representative group

Accepted Answer

True

Question 8

Which type of reliability measures observer agreement?

Accepted Answer

Agreement

Question 9

What type of graph connects individual data points with a line?

Accepted Answer

Frequency Polygon

Question 10

Which of the following scales of measurement includes an absolute zero point?

Accepted Answer

Ratio

Question 11

Which principle ensures that participants’ identities remain unknown?

Accepted Answer

Anonymity

Question 12

Which of the following refers to a data point that falls far outside the main distribution of scores?

Accepted Answer

Outlier

Question 13

What does sensitivity refer to in research design?

Accepted Answer

The ability to detect differences or correlations between variables

Question 14

What is the measure of central tendency that represents the arithmetic average of all scores?

Accepted Answer

Mean

Question 15

Which of the following is a method of probability sampling?

Accepted Answer

Stratified Random Sampling

Questions 15