Podcast
Questions and Answers
Which method involves the investigator personally collecting data from informants?
Which method involves the investigator personally collecting data from informants?
In purposive sampling, each item of the universe has an equal chance of being selected.
In purposive sampling, each item of the universe has an equal chance of being selected.
False
What is the primary difference between primary and secondary data?
What is the primary difference between primary and secondary data?
Primary data is collected firsthand, while secondary data is already existing.
In the ________ method, questionnaires are sent to informants through postal services.
In the ________ method, questionnaires are sent to informants through postal services.
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Which of these methods relies on information collected by local people or correspondents?
Which of these methods relies on information collected by local people or correspondents?
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The census method collects data from a sample of the population.
The census method collects data from a sample of the population.
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What is the main usage of the Enumerator's Method?
What is the main usage of the Enumerator's Method?
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Match the sampling method with its description:
Match the sampling method with its description:
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Which sampling method divides the population into different groups based on various characteristics?
Which sampling method divides the population into different groups based on various characteristics?
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In systematic sampling, items are selected randomly without any specific order.
In systematic sampling, items are selected randomly without any specific order.
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What is the primary consideration for data collection in convenience sampling?
What is the primary consideration for data collection in convenience sampling?
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In stratified sampling, the population is divided into different _____ having different characteristics.
In stratified sampling, the population is divided into different _____ having different characteristics.
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Match the following agencies with their functions in data collection:
Match the following agencies with their functions in data collection:
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Study Notes
Data Collection Methods
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Primary Data Collection: Data gathered directly by the investigator.
- Direct Personal Investigation: Information collected personally from individuals.
- Indirect Oral Investigation: Information gathered from others who may have the necessary information.
- Information from Local Sources: Utilizing local contacts or correspondents.
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Information Through Questionnaires: Gathering data using questionnaires.
- Mailing Method: Questionnaires are mailed to informants. Best when...
- Enumerator's Methods: Enumerators collect information and fill out schedules from informants. Mostly used when...
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Secondary Data Collection: Data obtained from existing sources.
- Unpublished Sources: Data collected by organizations for internal use.
- Census Method: Collecting data from every element in the population.
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Sample Method: Collecting data from a representative portion of the population.
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Methods of Sampling:
- Random Sampling: Every element has an equal chance of selection.
- Purposive or Deliberate Sampling: Investigator selects representative samples based on judgment.
- Stratified or Mixed Sampling: Population divided into strata, and samples selected from each.
- Systematic Sampling: Selecting every nth item from a numbered list.
- Quota Sampling: Selecting samples based on pre-determined quotas for different groups.
- Convenience Sampling: Samples chosen based on convenience for the investigator.
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Methods of Sampling:
- Reliability of Sampling Data: Dependent on factors such as sample size, sampling method precision, and population representativeness.
Statistical Agencies
- NSSO (National Sample Survey Organisation): Collects, processes, and tabulates statistical data.
- RGI (Registrar General of India): Collects, processes, and tabulates statistical data.
- DGCIS (Directorate General of Commercial Intelligence and Statistics): Collects, processes, and tabulates statistical data.
- Labour Bureaus: Collects, processes, and tabulates statistical data.
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Description
Explore various data collection methods in this quiz, including primary and secondary data gathering techniques. Learn about direct and indirect investigations, the census method, and sampling. Perfect for students and professionals seeking to enhance their understanding of data collection strategies.
