Research Design: Planning your Data Collection Procedures | Scri

What does operationalization mean?

• Turning abstract concepts into measurable indicators

• Collecting consistent and accurate data

• Selecting a representative sample

• Analyzing data to establish causality

Which of the following is an example of operationalization?

• Recording the number of times students ask and answer questions

• Creating a questionnaire with a 5-point rating scale

• Administering a math test created by educators

• All of the above

What does reliability mean in data collection?

• Consistently reproducing results

• Measuring the concept of interest

• Establishing causality

• Generalizing results to other settings

What does validity mean in data collection?

• Consistently reproducing results

• Measuring the concept of interest

• Establishing causality

• Generalizing results to other settings

What can help establish causality in a study?

• Internal validity

• External validity

• Reliability

• Sample size

What is external validity in data collection?

• Consistently reproducing results

• Measuring the concept of interest

• Establishing causality

• Generalizing results to other settings

What is an important consideration when recruiting a sample for a study?

• Sample size

• Inclusion and exclusion criteria

• Contact method

• All of the above

How can you ensure a high response rate in a study?

• Using a probability sampling method

• Avoiding bias in non-probability sampling

• Randomly selecting participants

• None of the above

What is an important consideration when using a probability sampling method?

• Sample size

• Inclusion and exclusion criteria

• Contact method

• Ensuring participation of randomly selected individuals

How can bias be avoided in non-probability sampling?

• Using a large sample size

• Randomly selecting participants

• Ensuring a representative sample

• None of the above