Q.1  Which of the following is a primary source of data?
-     Official records
-     Personal records,
-     Oral survey
-     All of the above
Data can be classified as primary data and secondary data. Primary data is data gathered for the first time by the researcher; secondary data is data taken by the researcher from secondary sources, internal or external.
Q.2  The main part of a research is?
-     Posterior region
-     Title
-     Trunk region
-     all of the above
Q.3  The objective of case study is
-     remedial
-     diagnostic
-     educational
-     all of the above
Q.4  The justifiable scientific list of all references is called
-     Index
-     Bibliography
-     Reference
-     Notes
Q.5  Generalized conclusion on the basis of a sample is technically known as
-     Statistical inference of external validity of the research
-     Parameter inference
-     Data analysis and interpretation
-     All of the above
Q.6  The experimental study is based on the law of
-     Single variable
-     Occupation
-     Replication
-     interest of the subject
Q.7  Research aim at what
-     Control of concerned matter
-     Understanding of concerned matter
-     Human welfare with help of concerned matter
-     Prediction of concerned matter
Q.8  A researcher selects a probability sample of 250 out of the total population. It is
-     Cluster sample
-     A random sample
-     A systematic sample
-     A stratified sample
Q.9  How can we enhance objectivity in research?
-     through reliability
-     through validity
-     through impartiality
-     by all these ways
Q.10  Which of the following is a non-probability sample?
-     Quota sample
-     Simple random sample
-     Purposive sample
-     both 1and 2
The difference between nonprobability and probability sampling is that nonprobability sampling does not involve random selection and probability sampling does.