#1
What is the first step in the experimental method?
Observation
ExplanationInitial data collection and awareness of phenomena.
#2
What is the role of informed consent in experimental research?
To obtain participants' voluntary agreement to participate after being informed of the study's purpose and procedures
ExplanationEnsuring participants' voluntary agreement post-information.
#3
Which of the following is an independent variable?
The variable that is manipulated by the researcher
ExplanationManipulated factor influencing the outcome.
#4
What is a placebo in experimental research?
A fake treatment with no therapeutic effect
ExplanationDummy intervention for control purposes.
#5
What is a confounding variable in experimental research?
An extraneous variable that interferes with the study results
ExplanationExternal factor impacting study outcomes.
#6
What does the term 'random assignment' mean in experimental design?
Assigning participants to groups by chance
ExplanationUnbiased allocation of participants to groups.
#7
What is the purpose of a control group in an experiment?
To provide a baseline for comparison
ExplanationReference group for measuring treatment effects.
#8
What is the purpose of random sampling in experimental research?
To ensure that all participants have an equal chance of being selected
ExplanationPromotes representative participant selection.