Classical

Research Aptitude MCQ - Research Aptitude

21:  

Who is regarded the father of scientific social surveys ?

A.

Darwin

B.

Booth

C.

Best

D.

None of these

 
 

Option: B

Explanation :

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diwakar said: (8:28pm on Monday 9th February 2015)
Best is the father of scientific social setveys

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22:  

All are example of qualitative variables except

A.

religion and castes

B.

sex

C.

observation 

D.

interest of the subject

 
 

Option: D

Explanation :

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pearl said: (2:51am on Wednesday 21st October 2015)
i have not understood the question ,can anyone elaborate how the given options given under the domain of qualitative variables ?
divya said: (11:51am on Wednesday 22nd June 2016)
not clear, i thought the answer wud have been B or C
D Deelip said: (4:53am on Friday 27th October 2017)
c might be the answer as observation is nothing to do with the data
Prof. ch.v.rama krishna rao said: (5:27am on Thursday 5th April 2018)
the answer is c. i.e., observation. remaining all are qualitative how can u measure religion , sex and interest on subject. whereas if you are observing the number of units produced by a worker per hour. you can put into numbers. hence the c is the correct answer. not at all d

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23:  

Formulation of hypothesis may not be necessary in

A.

survey studies

B.

fact finding (historical) studies

C.

normative studies

D.

experimental studies

 
 

Option: B

Explanation :

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huma said: (12:15am on Monday 26th December 2016)
what is hypothesis ?

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24:  

Logic of induction is very close to

A.

the logic of sampling

B.

the logic of observation

C.

the logic of the controlled variable

D.

none of the above

 
 

Option: A

Explanation :

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25:  

The probability of a head and a  tail of tossing four coins simultaneously is

A.

1/8 

B.

1/16

C.

1/4

D.

1/64

 
 

Option: B

Explanation :

If there is only one coin the probability of its being head and tail is 50% - 50%. If coins are two then each will have 25% chance of getting down head and tail. Now if coins are four this chance will be 12*1/2% each and so on.

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