A study was conducted to determine whether a videotaped instruction was more effective than a pamphlet in teaching menopausal women the benefits of annual mammograms.Which condition could be considered an antecedent variable?
A) Four participants in the pamphlet-based instruction group had mothers who had been diagnosed with breast cancer, and the other group had no participants with mothers diagnosed with breast cancer.
B) Those in the group who received the videotape training were all from the same city, and those in the group who received the pamphlet-based instruction were members from different locales.
C) During the conduct of the study, most participants received flu shots from the local public health department
D) The pamphlet group had 38 members, and the videotape group had 33 members.

Question

Quizplus · Accepted Answer

Correct A: An antecedent variable is something that occurs before the study but can affect the outcome and confuse results.
Incorrect B: The neighborhood effect would occur during the study data collection,not before the study.
Incorrect C: Flu shots would not have occurred before the study but during it.
Incorrect D: Sample size would be a factor occurring during the study,not before it.

A Study Was Conducted to Determine Whether a Videotaped Instruction