Participants
What is Target Population?
The entire group of people a researcher is most interested in studying.
Agreement given by a minor (ages 7–17) who cannot give formal legal consent.
Assent.
What is a Cross-Sectional Design?
A research design that acts like a single snapshot, comparing different groups at one time.
Nicole stands outside the cafeteria and surveys only the 20 friends sitting at her table. This sampling method is called Random Sampling.
False : It's Convenience Sampling!
Choosing participants purely by chance so everyone has an equal shot.
Random Sampling.
What is Debriefing?
Explaining a study's true purpose and clearing up any deception after the experiment ends.
A research design that tracks the exact same group of people repeatedly over a long period.
Longitudinal Design.
Ms. Alice gets parent permission, but Lilyan must still provide her own personal agreement. This is known as Assent.
True!
What is Convenience Sampling?
Surveying whoever happens to be easiest to reach, like students walking past a door.
A board review that makes sure a psychological study follows safety and ethical rules.
Institutional Review Board (IRB).
What is Attrition?
When participants drop out or fail to complete a long-term study over time.
Lilyan's freedom to walk out of Ms. Alice's "study" at any time without penalty or loss of benefits is her...
Right to Withdraw (Voluntary Participation)!
A systematic error where a sample accidentally favors a specific group over the whole population.
Selection Bias.
What are Confederates?
People working with a researcher who pretend to be regular participants in an experiment.
Differences between groups caused by the generation people grew up in, rather than actual aging.
Cohort Effects.
Rakeb is designing an experiment to study a complex societal construct and language-based thought process, but Ms. Alice reminds her that animal models cannot fully replicate these human traits. What major limitation of research are they discussing?
Generalizability!