Asked by
Paulina Pfaeffle
on Dec 28, 2024
Verified
A researcher is conducting an experiment on the effect of alcohol consumption on reaction time and half of the subjects drink alcoholic drinks and half drink non-alcoholic versions of the same drinks. The subjects receiving the non-alcoholic drinks are the ____ group and are used in the study to minimise the influence of ____.
A) experimental; sampling bias
B) experimental; the placebo effect
C) control; sampling bias
D) control; the placebo effect
Placebo Effect
The phenomenon in which a patient's symptoms can improve after receiving a fake treatment or substance, due to their belief in its efficacy rather than any therapeutic effect.
Sampling Bias
A systematic error that occurs when a sample is not representative of the population from which it is drawn, potentially leading to distorted findings.
- Understand the principles and importance of control groups in experimental research.
- Identify methodological criticisms such as placebo effects and sampling bias.
Verified Answer
JM
Learning Objectives
- Understand the principles and importance of control groups in experimental research.
- Identify methodological criticisms such as placebo effects and sampling bias.