Podcast
Questions and Answers
What is the method of drawing a random sample?
What is the method of drawing a random sample?
- Random generated numbers (correct)
- Computer program
- Fishbowl draw
- All of them
In non-random sampling, which method is used?
In non-random sampling, which method is used?
- Cluster
- Expert (correct)
- Stratified
- Sample random sampling
Which sampling technique is based upon convenience?
Which sampling technique is based upon convenience?
- Cluster
- Snowball
- Quota
- Accidental (correct)
What does research activity revolve around?
What does research activity revolve around?
What is the term used when keeping information of the participant anonymous?
What is the term used when keeping information of the participant anonymous?
Which act is considered unethical and involves claiming someone else's work as your own?
Which act is considered unethical and involves claiming someone else's work as your own?
What type of sampling ensures every individual has an equal chance of selection?
What type of sampling ensures every individual has an equal chance of selection?
In non-random sampling, how is the chance of selection for each individual?
In non-random sampling, how is the chance of selection for each individual?
Which type of sampling includes selecting clusters as the sampling unit?
Which type of sampling includes selecting clusters as the sampling unit?
What would decrease student performance according to a hypothesis?
What would decrease student performance according to a hypothesis?
What is it called when a null hypothesis is erroneously rejected when it is actually true?
What is it called when a null hypothesis is erroneously rejected when it is actually true?
What is the primary reason for errors in testing a hypothesis?
What is the primary reason for errors in testing a hypothesis?
What method of data collection is most appropriate for a complex situation?
What method of data collection is most appropriate for a complex situation?
Which data collection method is time-consuming and expensive?
Which data collection method is time-consuming and expensive?
In which method of data collection can information be supplemented?
In which method of data collection can information be supplemented?
Which method emphasizes interaction for quality data?
Which method emphasizes interaction for quality data?
Which data collection method is prone to researcher bias?
Which data collection method is prone to researcher bias?
For a quality interview, what does an interviewer need to possess?
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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