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 :


22:  

All are example of qualitative variables except

A.

religion and castes

B.

sex

C.

observation 

D.

interest of the subject

 
 

Option: D

Explanation :


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 :


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 :


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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