Extensive variation in the measure of the dependent variable in an experiment will _____ .
a. increase the probability of a Type I error
b. increase the power of a statistical test
c. decrease the power of a statistical test
d. enable the use of a smaller sample
Question 2
A main effect mean in a factorial design represents the _____ .
a. total of all scores divided by N
b. principal source of variation in an experiment
c. mean of all levels of one independent variable
d. mean of one level of an independent variable
Chuckwalla body lengths at the end of a laboratory rearing experiment
Cavalier King Charles Spaniels demonstrate with-breed variation.
Ganzfeld experiment
Calipers being used to measure body fat on the triceps of a patient.
A participant in a sleep experiment.
Proposed mechanism for the reaction catalyzed by flavin-dependent thymidylate synthase