Quiz on Sample Size and Data Gathering Techniques

What does sample size refer to?

• The number of observations selected from a population

• The duration of the study

• The total number of participants in a study

• The number of researchers involved in a study

Why is sample size important in research?

• It affects the accuracy of results

• It dictates the research design

• It influences the number of researchers needed

• It determines the cost of the study

What can happen if the sample size is too small?

• It may lead to more accurate results

• It may capture all population characteristics

• It may reduce the cost of the study

• It may result in biased or inaccurate results

Which factor does NOT influence sample size?

• Population size

• Confidence level

• Researcher experience

• Margin of error

What is Simple Random Sampling?

• Selecting based on specific characteristics

• Every member has an equal chance of being selected

• Dividing the population into subgroups

• Selecting every nth individual from a list

What is a characteristic of Non-Probability Sampling?

• It is used for large populations

• Every member has an equal chance of selection

• It minimizes selection bias

• It can lead to potential biases

What is Convenience Sampling?

• Selecting participants based on specific criteria

• Selecting participants randomly from the population

• Selecting participants who are easily accessible

• Selecting participants from a specific geographic area

What is the purpose of data gathering?

• To analyze existing data

• To collect information to address research questions

• To select sampling techniques

• To determine sample size

Which of the following is NOT a type of data gathering technique?

• Surveys and Questionnaires

• Interviews

• Experiments

• Data Analysis

What type of observation involves the researcher participating in the activities being studied?

• Structured observation

• Unstructured observation

• Participant observation

• Non-participant observation