What is a "confound" in an experimental study?
A) an extra variable that could explain result differences between groups
B) the tendency of a control group to mimic the experimental group
C) a control group that receives special attention
D) an experimental group that fails to respond to treatment
Correct Answer:
Verified
Q13: If a pretest causes a change in
Q14: Which of the following factors is primarily
Q15: A researcher administers a standardized test to
Q16: What is the name of the type
Q17: In a single-group design in which treatments
Q18: What is a major advantage of the
Q19: What is a major threat created by
Q21: What is the placebo effect?
A) improvement based
Q22: What is the "John Henry" effect?
A) improvement
Q23: Which of the following can be used
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents