# Research Aptitude MCQ - Research Aptitude

36:

Total error in a research is equal to

 A. sampling error + non-sampling error B. $\tiny \dpi{120} \sqrt{[(sampling error) + (non - sampling error)]^{2}}$ C. only sampling error D. sampling error * 100 Option: B Explanation :
37:

The validity and reliability of a research will be at stake when

 A. The author who is the source of information is biased, incompetent or dishonest B. The incident was reported after a long period of time from that of its occurrence C. The researcher himself is not competent enough to draw logical conclusions D. All of the above Option: D Explanation :
38:

Seeing a very big rally it was reported that JD will win the election, the conclusion was based on :

 A. random sampling B. cluster sampling C. systematic samialing D. purposive sampling Option: B Explanation :
39:

Study the table which shows the income of five persons, and answer the question that follows?

 Year A B C D E 1960 55000 22000 43000 30000 40000 1965 75000 21900 47000 40000 60000 1970 76000 21880 42350 50000 65000 1975 83300 21750 72350 60000 90000 1980 93335 20000 54050 70000 75000 1985 102335 17000 84060 80000 105000 1990 103225 10500 85000 90000 120000

Which of the following conclusion is not correct?

 A. There has been an increase in the income of A but slight and steady decline in the income of B from 1960 to 1990 B. D and E have at least one property uncommon C. Percentage increase of A is higher than E D. C has fluctuating trend in his income Option: C Explanation :
40:

The review of the related study is important while undertaking a research because

 A. it avoids repitition or duplication B. it helps in understanding the gaps C. it helps the researcher not to draw illogical conclusions D. all of above Option: D Explanation :