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Q. A ……….study is a small scale preliminary study conducted before the main research, in order to check the feasibility or to improve the design of the research.

Q. Instrument’s ability to accurately measure variability in stimuli or response is known as

Q. Scales where respondent is asked to rate an item in comparison with another item or a group of items each other based on a common criterion is

Q. Where it is not possible to collect data directly from the informants………… method is followed

Q. …………studies does deal with testing of proposition or hypothesis.

Q. Which is not type of test of significance for small sample ?

Q. Which is the type of correlation on the basis of number of variables?

Q. A ………………….. is a device that is most frequently used in collecting primary data.

Q. Measurement validity is also called ………. Validity

Q. Which of the following is not a random sampling technique?