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</p> Signup and view all the answers

    Which characteristic of true experimental research involves randomly assigning participants?

    <p>Randomization</p> Signup and view all the answers

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

    <p>Control</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</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</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</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</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</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</p> Signup and view all the answers

    Which sampling method relies on chance and is considered unbiased?

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

    What is the first step in using systematic sampling?

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

    In stratified sampling, what is equal allocation?

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

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

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

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