Question

Which of the method is used
when an investigator collects
the required information with
the respondent?​

Answer 1

Answer:

questionnaire method is used

Answer 2

The questionnaire method, the investigator prepares a questionnaire or schedule that comprises a list of relevant questions. The respondent's answers are then recorded in the questionnaire. This method is helpful in collecting primary data, as the information is collected directly from the respondents.