Research Aptitude MCQ - Research Aptitude

11:

The experimental study is based on the law of

 A. single variable B. replication C. occupation D. interest of the subject Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. meena said: (1:36am on Tuesday 14th November 2017) plz tell us about this question Write your comments here:
12:

A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as

 A. sample parameter B. inference C. statistic D. none of these Answer Report Discuss Option: C Explanation : When we study about an event by taking a sample from the population it is called statistic and a  group of statistical measures is called statistics. Click on Discuss to view users comments. raman said: (12:31pm on Tuesday 28th June 2016) sorry ji correct answer a(sample parameter Write your comments here:
13:

The final result of a study will be more accurate if the sample drawn is

 A. taken randomly B. fixed by quota C. representative to the population D. purposive Answer Report Discuss Option: C Explanation : The more the sample represents the population the more accurate are the results of the study. Sample can be made more representative either by increasing the size of the sample or by following more reliable method of sampling. Click on Discuss to view users comments. Write your comments here:
14:

Which of the following is a non-probability sample ?

 A. Quota sample B. Simple random sample C. Purposive sample D. (a) and (c) both Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. angel waii said: (1:57am on Monday 6th June 2016) It should be purposive sample Jitendra Singh said: (1:32pm on Saturday 14th January 2017) Great knowledge of subject. Write your comments here:
15:

Independent variables are not manipulated in

 A. normative researches B. ex-post facto researches C. both of the above D. none of the above Answer Report Discuss Option: C Explanation : In normative researches only data are collected from the survey and after 'analysing them results are declared. Thus there is no need of manipulating independent variables. In ex-post facto-research effects are already known and researcher studies the causes lying behind these r effects. Here too independent variable are not manipulated. Click on Discuss to view users comments. S R MANE said: (5:25pm on Sunday 6th October 2013) TWO INDEPENENT VARIABLE MANIPULATED Write your comments here: