Match the vocabulary terms with their definitions.

1. population sum of all numbers divided by the total number of scores; the average

2. qualitative something that is likely to change

3. variable the middle number in a set of ordered numbers

4. mean revealing and explaining all aspects of an experiment to a participant

5. median a whole group of people

6. mode rules of conduct; moral principles

7. debrief the number that occurs most often in a given set of numbers

8. ethics research that explores the "why" and "how" of situations

Answer: The definition of each term has been properly arranged in the explanation below.

Explanation:

1. Population - a whole group of people.

2. Qualitative-research that explores the why and how of situations.

3. Variable-something that is likely to change.

4. Mean-sum of all numbers divided by the total number of scores, the average.

5. Median - the middle number in a set of ordered numbers.

6. Mode-the number that occurs most often in a given set of numbers.

7. Debrief-revealing and explaining all aspects of an experiment to a participant.

8. Ethics-rules of conduct; moral principles.