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
The experiment of Plaxton and his colleagues demonstrated that plants can alter their metabolism in
Field experiment on effects of predation on male guppy colouration
The asymmetrical appearance of Mira, an oscillating variable star.
The Reinstatement Procedure, a Measure of Craving
Context-Dependent Learning
Sociologists use income, education, and occupational prestige to measure social class. For most ...