Multiple Choice
When some subjects stop participating in an experiment before it is completed,affecting the results of the study,a(n) ____ effect has occurred.
A) mortality
B) history
C) instrumentation
D) confounding
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q14: When the experimenter's comments influence the subjects'
Q28: Explain how systematic or nonsampling error occurs
Q31: When subjects guess the purpose of an
Q50: Experiments in which an individual subject is
Q55: A confound is an experimental deception involving
Q60: When a competitor introduces a 15 percent
Q63: The term linkage refers to a specific
Q65: Compare and contrast internal validity and external
Q69: An experimental design element of procedure that
Q71: Factorial experimental designs are the least sophisticated