Chapter 8 secondary data

Although some secondary data may have been originally collected for research purposes or with research in mind e.

Presentation on theme: "Chapter 8 Using secondary data"— Presentation transcript: 1 Chapter 8 Using secondary data 2 Secondary data and primary data Secondary data is data that have already been collected for some other purposes, while primary data is data which can be collected specifically for the purpose of answering a research question s and to meet research objectives 3 Using secondary data for research 1 Types of secondary data Documentary: are often used in research projects that also use primary data collection methods. Depending on the particular data source, secondary data may also offer advantages in terms of sample size and generalizability. These secondary data may offer a distinct advantage in terms of efficiency, when compared to primary data, because extended time need not be devoted to data collection. The key factors is that different data sets have been combined to form another data set prior to your accessing the data. This relatively high cost from a time and financial standpoint is often considered one of the limitations of using primary data. If you need information about some specific medication-taking behavior, for example, how frequently a dose of medication is taken with a meal, you can ask this of a participant in a study that uses primary data collection. Pharmacoepidemiology studies may involve either data collected prospectively i. Primary data are collected for a specific purpose and represent data not previously available in a consolidated manner.

Presentation on theme: "Chapter 8 Using secondary data"— Presentation transcript: 1 Chapter 8 Using secondary data 2 Secondary data and primary data Secondary data is data that have already been collected for some other purposes, while primary data is data which can be collected specifically for the purpose of answering a research question s and to meet research objectives 3 Using secondary data for research 1 Types of secondary data Documentary: are often used in research projects that also use primary data collection methods.

However, you can also use them on their own or with other sources of secondary data Surveys :refers to data collected using a survey strategy, usually by questionnaires, that have been already analysed for their original purpose 4 Multiple — source secondary data Multiple-source secondary data can be based entirely on documentary or on survey secondary or can be amalgam of the two.

If you need information about some specific medication-taking behavior, for example, how frequently a dose of medication is taken with a meal, you can ask this of a participant in a study that uses primary data collection.

research methods for business students chapter 9 ppt

These secondary data may offer a distinct advantage in terms of efficiency, when compared to primary data, because extended time need not be devoted to data collection.

In a similar fashion, conducting interviews can be extremely time consuming despite the rich data that can be generated. This type of data may be collected through a variety of means, including questionnaires, interviews, or chart reviews.

research methods for business students chapter 7 ppt

Primary data generally offer increased control over the type and amount of information that is available when compared to secondary data. Primary data are collected for a specific purpose and represent data not previously available in a consolidated manner.

The key factors is that different data sets have been combined to form another data set prior to your accessing the data.

research methods for business students chapter 7 ppt
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Research Method for Business chapter 8