Closed and open ended

Question 1

Sampling

Answer 1

Representativeness cross section of the society you are studying

Question 2

Questionnaires

Answer 2

List of pre set questions

Question 3

Strengths of closed ended questions

Answer 3

Standardised data 
Easy to quantify 
Easy to compare and contrast
Quick to complete 
High in reliability

Question 4

Weakness of closed ended

Answer 4

Ambiguous
Restricts responses
Imposition problem
Lacks validity

Question 5

Strengths of open ended

Answer 5

In depth, detailed
Answers are not restricted
High in validity

Question 6

Weakness

Answer 6

Ambiguous questions
Long drawn out answers
Difficult to quantify
Difficult to make comparisons