TERMINOLOGY IN QUANTITATIVE RESEARCH
Overview
This assessment requires you to define and provide examples of descriptive and inferential statistics and reliability and validity in research.  Using the template provided below, define and provide an example of each term.
Objectives
Differentiate between each terminology in your own words and provide an example of each term.
!! IMPORTANT !!
•    Each term is to be defined in your own words. Be extremely careful with plagiarism. Absolutely no definition should be found to correlate exactly with another source.
•    Provide a three to four sentence example of each term. Absolutely no less than three.

NRSE 4550
Terminology Definitions
Directions: Define and provide examples of descriptive and inferential statistics and reliability and validity in research.  .6 point for each definition and .6 point for each example.
1. Reliability
2. Validity
3. Random error
4. Content validity
5. Concurrent validity
6. Construct validity
7. Stability
8. Homogeneity
9. Reliability co-efficient
10. Test-retest reliability
11. KR-20 co-efficient
12. Interrater reliability
13. Descriptive statistics
14. Inferential statistics
15. Nominal measurements
16. Ordinal measurements
17. Interval measurements
18. Ratio measurements
19. Frequency distribution
20. Standard deviation
21. Range
22. Parameter
23. Statistic
24. Type I error
25. Type II error