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12 Questions

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Factors affecting children's participation in research studies

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Questions and Answers

What is another term for sample attrition in research studies?

Randomization

Maturation

Concentration levels

Mortality (correct)

How can testing effects impact participants' responses in a research study?

Make participants disengage with the process (correct)

Improve randomization

Enhance concentration levels

Cause biased selection

In a longitudinal study, what becomes a threat to validity when you have certain characteristics making some participants more likely to drop out than others?

Testing effects

Sample attrition (correct)

Randomization techniques

Maturation effects

As children get older in a longitudinal study, what may affect their ability to fully understand and respond to study questions?

Maturation effects Signup and view all the answers

What is one suggested method to address potential non-responses in a study?

Send a reminder to participants about the invitation Signup and view all the answers

How can you reduce bias due to attrition in longitudinal studies?

Send reminders before the next data collection stage Signup and view all the answers

What can be a consequence of not addressing potential non-responses effectively?

Bias in sample representation Signup and view all the answers

When addressing attrition in research, what is the purpose of sending reminders?

To reduce bias in the sample Signup and view all the answers

What is the purpose of comparing data from people who complete a study with summary statistics for the population?

To determine if the sample is biased due to nonresponses Signup and view all the answers

How does probability-based sampling help in obtaining a representative sample?

By using different methods to calculate the likelihood of selection Signup and view all the answers

What can sampling bias be referred to as?

Selection bias Signup and view all the answers

Why is it important to compare those who complete a study with those who drop out?

To identify potential threats to the validity of the study Signup and view all the answers