Before using secondary data, one need NOT verify:
Expenditure involved at time of collection of data
When using secondary data, the critical factors to verify are the **reliability**, **suitability**, and **adequacy** of the data. However, the **expenditure involved at the time of collection of data** does not need to be verified, as it pertains more to the primary data collection process.
Which of the following could be problems with consumer interviews?
A. A non-random sample
B. The identification problem
C. Response bias
Choose the most appropriate answer from the options given below:
In a questionnaire, how many answers should be there for simple alternative questions?
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Filter questions in questionnaire measure the familiarity of the respondents with the topic of research.
Reason (R): Questions that try to capture multiple information at once are referred to as leading questions.
In the light of the above statements, choose the most appropriate answer from the options given below: