Collection Of Data

Question

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Give advantages and disadvantages of personal interviews, mailing questionnaire and telephone interviews.

Solution

Advantages

Disadvantages

(a) Personal Interviews

1. Highest response rate.

2. Allows use of all types of questions.

1. Most expensive.

2. Possibility of influencing respondents.

3. More time taking.

(b) Mailing Questionnaire

1. Least expensive.

2. Only method to reach remote areas.

3. No influence on respondents.

4. Maintains anonymity of respondents.

5. Best for sensitive questions.

1. Cannot be used by illiterates.

2. Long response time.

3. Does not allow explanation of unambiguous questions.

4. Reactions cannot be watched.

1. Relatively low cost.

2. Relatively less influence on respondents.

3. Relatively high response rate.

1. Limited use.

2. Reactions cannot be watched.

3. Possibility of influencing respondents.

Some More Questions From Collection of Data Chapter

Define primary data.

Define secondary data.

An investigator has collected the required information by personal interview with the informant. What type of data will it be called ?

What will be the kind of data published by the Railway Department regarding the progress of railways for an investigator ?

What kind of data are contained in the census of population and national income estimate, for the government ?

In order to know the likings and dislikings of the listeners of the programmes broadcast by the Himachal Akashvani the latter is keen to collect data, which method of collecting data will be suitable for it ?

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Collection Of Data

Give advantages and disadvantages of personal interviews, mailing questionnaire and telephone interviews.

Some More Questions From Collection of Data Chapter

Define primary data.

Define secondary data.

An investigator has collected the required information by personal interview with the informant. What type of data will it be called ?

An investigator has collected the required information by personal interview with the informant. What type of data will it be called ?

What will be the kind of data published by the Railway Department regarding the progress of railways for an investigator ?

What kind of data are contained in the census of population and national income estimate, for the government ?

In order to know the likings and dislikings of the listeners of the programmes broadcast by the Himachal Akashvani the latter is keen to collect data, which method of collecting data will be suitable for it ?

Name two important sources of secondary data.

What is meant by universe ?

What is meant by sample ?

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