How Can the Quality of Telephone Surveys Be Improved?

Improving the quality of telephone surveys involves several strategies:

Enhanced Training: Providing thorough training for interviewers to handle various scenarios and ensure data accuracy.
Pre-Testing: Conducting pilot tests of the questionnaire to identify and rectify potential issues.
Follow-Up: Implementing follow-up calls to increase response rates and address non-response bias.
Mix-Mode Surveys: Combining telephone surveys with other methods, such as online or face-to-face, to reach a broader audience.