The document discusses research hypotheses, detailing type I and type II errors, and outlines various aspects of research design including data sources, participant selection, and sampling techniques. It explains methods for sampling like simple random sampling, systematic sampling, stratified sampling, cluster sampling, and quota sampling along with how to determine sample size. Additionally, it highlights the processes involved in data gathering and statistical treatment of primary and secondary data.

1. RESEARCH
HYPOTHESIS
AND
METHODOLOGY

2. Research Hypothesis

3. There are two types of research
hypotheses:

4. Type I and Type II Error

5.  Research Design
 Sources of Data
 Participants of the Study
 Sampling Techniques
 Data Gathering
Procedures
 Research Instrument
 Statistical Treatment of

7. Primary
Secondary
Data that come from an original source
and are intended to answer specific
research questions.
Data that are taken from previously
recorded data.

14. Process of selecting individuals
who will participate as part of the
study
SAMPLING

16. Simple Random
Sampling

17. 1. Giveeach populationmembera unique
number
1. Place numbersinbowlandmix
2. Randomlyselectnnumbers
3. Populationmembersthathavebeenselected
basedontheirnumberswillbepartofthesample

18. HOW TO DETERMINE THE SAMPLE SIZE?

21. Systematic Sampling

23. Stratified Sampling

25. Cluster Sampling

29. Quota Sampling

30. 1. Dividethesamplepopulationintosubgroups
2. Figureouttheweightage/numberquotaofsubgroups
3. Selectanappropriatesamplesize
4. Conductsurveysaccording tothequotasdefined