Strategies to Determine Sample Size
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Questions and Answers

Which research design aims to accurately describe facts and characteristics of a given population or situation?

  • Descriptive-survey
  • Descriptive-normative
  • Ethnography (correct)
  • Descriptive-comparative

Which research design uses surveys to gather data without making judgments?

  • Descriptive-comparative
  • Ethnography
  • Descriptive-survey (correct)
  • Descriptive-normative

Which design critiques descriptive data to identify ways to improve it?

  • Descriptive-normative (correct)
  • Descriptive-comparative
  • Ethnography
  • Descriptive-survey

Which design compares variables to see if a significant difference exists?

<p>Descriptive-comparative (D)</p> Signup and view all the answers

Which characteristic of true experimental research involves randomly assigning participants?

<p>Randomization (C)</p> Signup and view all the answers

Which characteristic involves having a control group that does not receive the treatment?

<p>Control (B)</p> Signup and view all the answers

What is the purpose of identifying clusters and determining the size of each cluster in sampling methods?

<p>To ensure equal representation from each stratum (D)</p> Signup and view all the answers

In data collection methods, what is the main purpose of focus group discussion?

<p>To have open discussions with a small group of selected participants (B)</p> Signup and view all the answers

What is the key characteristic of an interview schedule used in qualitative research methods?

<p>It provides a guide with structured questions for researchers (C)</p> Signup and view all the answers

When reaching a saturation point in sampling, what does it signify?

<p>The sample has covered all relevant information and reached a stopping point (C)</p> Signup and view all the answers

What is the primary purpose of randomly selecting clusters in sampling methods?

<p>To ensure adequate representation of different groups (B)</p> Signup and view all the answers

In data collection, what distinguishes experiments from surveys and questionnaires?

<p>Experiments are controlled studies where variables are manipulated by researchers (B)</p> Signup and view all the answers

Which sampling method relies on chance and is considered unbiased?

<p>Probability sampling (C)</p> Signup and view all the answers

What is the first step in using systematic sampling?

<p>Prepare a list of the population (D)</p> Signup and view all the answers

In stratified sampling, what is equal allocation?

<p>Allocating sample size equally among all strata (D)</p> Signup and view all the answers

What is the formula used to calculate sample size for a finite population?

<p>n = N / (1 + Ne^2) (A)</p> Signup and view all the answers

If the population size is 500 and the desired margin of error is 0.04 at a 95% confidence level, what is the recommended sample size according to Slovin's formula?

<p>145 (B)</p> Signup and view all the answers

Which sampling method is considered biased and relies on the researcher's choice?

<p>Non-probability sampling (D)</p> Signup and view all the answers

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