Which of the following will not result in paired data?
A) The same measurement is taken twice on each person, under different conditions or at different times.
B) Similar individuals are paired before giving the treatments in an experiment. Each member of a pair then receives a different treatment. The same response variable is measured for all individuals.
C) Two different variables are measured for each individual. There is interest in the amount of difference between the two variables.
D) One random sample is taken, and a variable is recorded for each individual, but then units are categorized as belonging to one population or another.

Question

Quizplus · Accepted Answer

Paired data typically involve measurements taken on the same subject under different conditions or two subjects matched in some way. Choice D describes taking a single measurement on each individual and then categorizing them, which does not involve pairing in the same sense as the other options.

Which of the Following Will Not Result in Paired Data