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Questions and Answers
What is the purpose of Cochran's correction formula?
What is the purpose of Cochran's correction formula?
- To calculate the population size accurately
- To adjust the sample size calculated using Cochran's formula (correct)
- To analyze the data collected from interviews
- To determine the sample size needed for a study
Which method of collecting data involves researcher-completed instruments?
Which method of collecting data involves researcher-completed instruments?
- Questionnaires
- Rating scales
- Observation forms (correct)
- Self-checklists
What does Yamane's formula determine?
What does Yamane's formula determine?
- The proportion of the population with a specific attribute
- The rating scale to be used in a study
- The margin of error in the sample size calculation (correct)
- The accuracy of Cochran's correction formula
Which scale consists of categories organized in an ordered sequence?
Which scale consists of categories organized in an ordered sequence?
What is the purpose of a rating scale in research?
What is the purpose of a rating scale in research?
What is the defining feature of a ratio scale that differentiates it from an interval scale?
What is the defining feature of a ratio scale that differentiates it from an interval scale?
In Cochran's formula, what does 'p' represent?
In Cochran's formula, what does 'p' represent?
In a data set, what are measurements or observations collectively referred to as?
In a data set, what are measurements or observations collectively referred to as?
Which method of collecting data involves subject-completed instruments?
Which method of collecting data involves subject-completed instruments?
What is the role of an independent variable in a research study?
What is the role of an independent variable in a research study?
Which scale reflects equal differences between numbers in magnitude but lacks an absolute zero point?
Which scale reflects equal differences between numbers in magnitude but lacks an absolute zero point?
What distinguishes a nominal scale from other scales?
What distinguishes a nominal scale from other scales?
What is the purpose of a questionnaire?
What is the purpose of a questionnaire?
Which of the following is an example of a nominal scale of measurement?
Which of the following is an example of a nominal scale of measurement?
What is Cochran's correction formula used for?
What is Cochran's correction formula used for?
Which question design principle suggests starting with demographic questions?
Which question design principle suggests starting with demographic questions?
What should be avoided when designing a questionnaire?
What should be avoided when designing a questionnaire?
Which level of measurement involves an ordered series with equal intervals between consecutive points?
Which level of measurement involves an ordered series with equal intervals between consecutive points?
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