RESEARCH METHODOLOGY

METHODS OF DATA COLLECTION

TOOLS OF DATA COLLECTIONS THEIR TYPES ATTRIBUTES AND USES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of these is a weakness of Questionnaires?
A
Interviewer effect
B
Cheap
C
Low response rate
D
Demand Characteristics
Explanation: 

Detailed explanation-1: -Low response rates may result in estimates that are biased by selective non-response.

Detailed explanation-2: -A low response rate can give rise to sampling bias if the nonresponse is unequal among the participants regarding exposure and/or outcome. Such bias is known as nonresponse bias. For many years, a survey’s response rate was viewed as an important indicator of survey quality.

There is 1 question to complete.