#Define survey and questionnaire and there advantage and disadvantage? ?

A survey is a research method used to collect data from a specific group of people in order to gain insights and information on a particular topic. It typically involves asking a series of questions to participants, either in person, over the phone, through email, or online.

A questionnaire is a specific type of survey that consists of a set of written questions that participants are asked to answer. Questionnaires can be administered in person, through mail, email, or online.

Advantages of surveys and questionnaires:

1. Efficient data collection: Surveys and questionnaires allow researchers to collect data from a large number of participants in a relatively short amount of time.

2. Standardized data: Surveys and questionnaires provide standardized data that can be easily analyzed and compared across different groups or time periods.

3. Anonymity: Participants can answer questions honestly and openly without fear of judgment or bias.

4. Cost-effective: Surveys and questionnaires are generally a cost-effective way to collect data compared to other research methods.

Disadvantages of surveys and questionnaires:

1. Response bias: Participants may provide inaccurate or biased responses, either intentionally or unintentionally.

2. Limited depth: Surveys and questionnaires may not allow for in-depth exploration of complex topics or issues.

3. Low response rates: Participants may choose not to respond to surveys or questionnaires, leading to low response rates and potential bias in the data.

4. Lack of context: Surveys and questionnaires may not provide enough context or background information for participants to fully understand the questions being asked.

Survey

A survey is a research method that involves collecting data from a large sample of people through the use of questionnaires. Surveys are often used to gather information about people's opinions, attitudes, and behaviors.

Advantages of surveys:

- Surveys can be used to collect data from a large number of people. This makes them a good way to get a representative sample of the population.
- Surveys can be relatively inexpensive to conduct.
- Surveys can be administered in a variety of ways, including online, by mail, or in person.
- Surveys can be used to collect data on a wide range of topics.

Disadvantages of surveys:

- Surveys can be biased if they are not designed and administered properly.
- Surveys can be subject to nonresponse error. This means that people who choose not to participate in the survey may be different from those who do participate.
- Surveys can be time-consuming to conduct.

Questionnaire

A questionnaire is a research instrument that consists of a series of questions that are used to collect data from respondents. Questionnaires can be used to collect data on a wide range of topics, including people's opinions, attitudes, and behaviors.

Advantages of questionnaires:

- Questionnaires can be used to collect data from a large number of people. This makes them a good way to get a representative sample of the population.
- Questionnaires can be relatively inexpensive to conduct.
- Questionnaires can be administered in a variety of ways, including online, by mail, or in person.
- Questionnaires can be used to collect data on a wide range of topics.

Disadvantages of questionnaires:

- Questionnaires can be biased if they are not designed and administered properly.
- Questionnaires can be subject to nonresponse error. This means that people who choose not to participate in the survey may be different from those who do participate.
- Questionnaires can be time-consuming to conduct.