advantages of questionnaires

Advantages of questionnaires: 1. Cost effective: Questionnaires are one of the lowest cost options for data collection. The main cost is that of printing and distribution; this is often outweighed by the cost savings of not needing data collectors and/or interviewers. 2. Anonymous: When questionnaires are used in surveys, respondents often feel comfortable answering honestly since their anonymity is preserved. 3. Versatile: Questionnaires can be used to collect both quantitative (numbers and percentages) and qualitative (open-ended) data. 4. Easy to analyze: Questionnaires allow researchers to categorize and quickly analyze responses. For quantitative data, this often means using descriptive and inferential statistics. Disadvantages of questionnaires: 1. Lack of Detail:Questionnaires often involve standard or predefined questions. As a result, many respondents have difficulty expressing their answers in the depth and detail that a one-on-one interview might allow. 2. Reactive bias: Respondents may be influenced by the form of the questions and sizes of the response options, which can lead to biases. 3. Time consuming: Questionnaires can be time consuming for both the researcher (to develop, review, and analyze the responses) and the respondents (to answer the questions). 4. Low response rate: Many people do not respond to questionnaires. This can be due to lack of