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Questions and Answers
What is the method of drawing a random sample?
In non-random sampling, which method is used?
Which sampling technique is based upon convenience?
What does research activity revolve around?
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What is the term used when keeping information of the participant anonymous?
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Which act is considered unethical and involves claiming someone else's work as your own?
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What type of sampling ensures every individual has an equal chance of selection?
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In non-random sampling, how is the chance of selection for each individual?
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Which type of sampling includes selecting clusters as the sampling unit?
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What would decrease student performance according to a hypothesis?
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What is it called when a null hypothesis is erroneously rejected when it is actually true?
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What is the primary reason for errors in testing a hypothesis?
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What method of data collection is most appropriate for a complex situation?
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Which data collection method is time-consuming and expensive?
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In which method of data collection can information be supplemented?
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Which method emphasizes interaction for quality data?
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Which data collection method is prone to researcher bias?
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For a quality interview, what does an interviewer need to possess?
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Study Notes
Research Methodology
- Online questionnaires are suitable for complex situations.
- Interviews are time-consuming and expensive.
- Interviews allow for supplementary information.
- Interaction quality is crucial in interviews.
- Interviews are prone to researcher bias.
- Sensitive questions can be asked in interviews.
- An interviewer should possess essential skills, qualification, and expertise.
Data Collection
- Diverse populations can be easily contacted through interviews.
- Private life questions can be easily asked through interviews.
- Quantitative research involves observation, unstructured interviews, and secondary sources.
- Secondary sources include personal records, mass media, and earlier research.
- Problem with secondary sources includes personal bias, format, and validity.
Sampling
- Random sampling methods include fishbowl draw, computer programs, and random generated numbers.
- Non-random sampling includes expert sampling.
- Accidental sampling is based on convenience.
- Informed consent, confidentiality, and bias are essential in research ethics.
Research Process
- Research revolves around the researcher, participant, and funding agency.
- Research question must be valid, objective, and accurate.
- Research design assesses questions and includes study population, sample, and instrument.
- Every individual has an equal chance of selection in random sampling.
- Non-random sampling does not guarantee equal chance of selection.
Errors and Hypotheses
- Noise decreasing student performance is a hypothesis.
- Type I error occurs when a null hypothesis is rejected when it is true.
- Errors in hypothesis testing can arise from study design, analysis, and conclusion.
Data Collection Methods
- Methods of data collection include observation, interview, questionnaire, and secondary sources.
- Unstructured interviews are flexible.
- Questionnaires have the disadvantage of lacking spontaneous response.
- Content of a cover letter includes general information, thanks for participation, and relevance of study.
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Description
Test your knowledge on data collection methods in quantitative research. The quiz covers topics like observation, unstructured interviews, and the use of secondary sources for collecting data.
