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

i)It permits the respondents to behave strategically.

ii)It compels the respondents to consider compromises between mutually-incompatible features.

Which of the following statements is/are true of 'choice modeling'?

i)It permits the respondents to behave strategically.

ii)It compels the respondents to consider compromises between mutually-incompatible features.

i)The data on which secondary market research is based is unlikely to be tailored precisely to the requirements of the task.

ii)Secondary market research tends to be more expensive than primary research.

Which of the following statements is/are true?

i)The data on which secondary market research is based is unlikely to be tailored precisely to the requirements of the task.

ii)Secondary market research tends to be more expensive than primary research.