Interviews are the most costly type of data collection in survey research.

Name: Interviews are the most costly type of data collection in survey research.
Brand: Quizplus
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Question

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Interviews require trained personnel to conduct them, and this can be expensive in terms of time and money. Additionally, there may be costs associated with recruiting and compensating participants for their time. As a result, interviews are generally more costly than other types of data collection, such as online surveys or phone surveys.

Interviews Are the Most Costly Type of Data Collection in Survey