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Questions and Answers
What is the primary advantage of using mailed interviews in data collection?
What is the main limitation of using telephonic interviews?
What is the census method of data collection?
What is the average annual growth rate of population in India during the decade 2001-2011?
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What is the primary advantage of using census data collection?
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What is the main difference between census and sample surveys?
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What is the population of India according to the Census 2011?
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How often is the census data collection carried out in India?
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What is the main advantage of using mailed interviews for sensitive questions?
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What is the main limitation of using census data collection?
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Study Notes
Data Collection Methods
- There are three basic ways of collecting data: Personal Interviews, Mailing (questionnaire) Surveys, and Telephone Interviews.
Personal Interviews
- Used when the researcher has access to all members of the population.
- Conducts face-to-face interviews with respondents.
- Allows for a survey to be conducted by asking questions about a particular product or candidate.
Mailing Questionnaire
- When data is collected by mail, the questionnaire is sent to each individual with a request to complete and return it by a given date.
- Advantages: less expensive, allows access to people in remote areas, does not allow influencing of respondents, and permits respondents to take sufficient time to give thoughtful answers.
Survey Questions
- Questions should be precise and clear.
- Examples of good questions: "Is the electricity supply in your locality regular?" and "What percentage of your income do you spend on clothing?"
- Examples of poor questions: "Is increase in electricity charges justified?" and "Do you spend a lot of money on books in a month?"
Survey Instrument
- The most common type of instrument used in surveys is a questionnaire/interview schedule.
- The questionnaire should not be too long, and the number of questions should be as minimum as possible.
Types of Interviews
- Mailed Interview: least expensive, cannot be used by illiterates, long response time, does not allow explanation of unambiguous questions, and reactions cannot be watched.
- Telephone Interviews: relatively low cost, relatively less influence on respondents, relatively high response rate, and reactions cannot be watched.
Census and Sample Surveys
- A Census or Complete Enumeration is a survey that includes every element of the population.
- Census is carried out every ten years in India.
- Examples of census data: population of India was 121.09 crore in 2011, and 23.83 crore in 1901.
- Average annual growth rate of population in India: 2.2% per year in 1971-81, 1.97% in 1991-2001, and 1.64% in 2001-2011.
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Description
This quiz covers the basics of survey research methods, including data collection and question types.
