Which TWO of the following situations may cause 'response bias'?

 i)Emotive language in a survey question

ii)Delay between designing a survey and using it

iii)Using a voluntary-response method that leads to respondents not being representative of the population

iv)Using qualitative rather than quantitative methods

To what end do market researchers use 'choice modeling'?

Which of the following types of sampling involves selecting a set number (which need not be the same) of a distinct sub-group (or 'stratum')?

It is important that surveys actually measure what they are intended to. Which of the following terms describes this consideration?

What is meant by the expression 'Type II error'?

Open end responses are coded using a specific technique

Which of the following is an advantage of using a mixed-mode survey?

What is a benefit in using a "laddering" interview?

Which of these is not an Online Survey Programming Tool:

A sample space is: