Quiz 5 - Ch 9
A food company tests a new product by having one group of subjects taste their own product first and then taste a competitor's product second, while a second group of experimental subjects tastes the competitor's product first followed by the company's own product. Which type of experimental design is this?
Counterbalanced
Main effects are differences in the means based on ____ experiemtnal variable (treatment)
a single
The group receiving treatment being studied is called the ______.
experiemental group
If the sampling units in an experimental cell are somehow different than the units in another cell, and this difference affects the dependent variable, _____ may occur.
systematic error
The change in the dependent variable that occurs because members of one experimental group experience different historical situations than members of other experimental groups is called a(n) ____
cohort effect
____ subjects about the true purpose of a lap experiment following its conclusion is important for the ethical treatment of subjects.
debriefing
Research projects involving experimental manipulations that are implemented in a natural environment are called ______.
field experiments
Monica is conducting an experiment where all subjects see all of the ads she is testing. This type of experiment in which an individual subject is exposed to more than one level of an experimental treatment is called a _____ design.
repeated measures
The question as to whether the independent variable was the sole cause of the change in the dependent variable is the basic issue in ___
internal validity
The test of an experimental manipulation to make sure that the manipulation does produce desired differences in the independent variable is called a __________.
manipulation check