Question: Explain the impact of selecting and using a suitable data gathering technique?
Selecting and using a suitable data gathering technique has a significant impact on the validity and reliability of research findings. A suitable data gathering technique is one that is appropriate for the research question being asked and the population being studied. It is also important to consider the resources available, such as time and budget, when selecting a data gathering technique.
Here are some of the impacts of selecting and using a suitable data gathering technique:
- Validity: Validity refers to the extent to which a research instrument measures what it is intended to measure. If a suitable data gathering technique is not selected, the research findings may not be valid. For example, if a researcher wants to measure student attitudes towards a new teaching method, but they use a survey that is not well-designed, the results of the survey may not be valid.
- Reliability: Reliability refers to the consistency of a research instrument. If a suitable data gathering technique is not selected, the research findings may not be reliable. For example, if a researcher wants to measure student achievement on a math test, but they use a test that is not well-written, the results of the test may not be reliable.
- Generalizability: Generalizability refers to the extent to which research findings can be applied to a larger population. If a suitable data gathering technique is not selected, the research findings may not be generalizable. For example, if a researcher wants to study the impact of a new teaching method on student achievement, but they only study a small sample of students from one school, the results of the study may not be generalizable to all students.
It is important to note that there is no one-size-fits-all approach to selecting a data gathering technique. The best data gathering technique for a particular study will depend on the research question being asked, the population being studied, and the resources available.
Here are some tips for selecting and using a suitable data gathering technique:
- Carefully consider the research question you are asking. What type of data do you need to answer your research question?
- Consider the population you are studying. What are the characteristics of the population? What are their needs and preferences?
- Consider the resources you have available. How much time and money do you have to spend on data gathering?
- Pilot test your data gathering instrument before using it in your study. This will help you to identify any potential problems with the instrument and to make necessary adjustments.
- Carefully analyze the data you have collected. Look for patterns and trends in the data. Be sure to consider any limitations of your data gathering technique when interpreting the results of your study.
By selecting and using a suitable data gathering technique, you can increase the validity, reliability, and generalizability of your research findings.
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