Participant observation and non participant observation

 Single blinding and double blinding

 In a study conducted on girls in age range 13-15 years (n=200) the results revealed the dietary intake of iron (mean (SD)) was 20 (4.73) mg. Compute the

Describe the assumptions on which non-parametric tests are based?

alculate the mean, median, standard deviation and variance for the above data.

Write a short note on "Measures for validity of diagnostic tests".

 Present the methods for analyzing descriptive qualitative data

Enumerate the graphs you will use for nominal and ordinal data.

 Explain briefly tabulation and organization of quantitative data, giving examples.

 Explain the various types of documents used as a research tool.

Enumerate the two types of data used in nutritional research. Explain with examples.

Good sample

Good research tool

Give the characteristics of:

Enlist the different types of scales used in behavioural sciences for data measurement ?

 How is random sampling different from incidental sampling? Explain the process of random sampling.

 Cohort study.

ssues in the design of Case-Control study

Characteristics of Experimental Research

What is a correlational study? Explain with example. List the strengths and limitations of this study design.