You just completed an experiment in which the experimenter was neatly dressed, friendly, and
treated you with respect.
Later, you talk to a friend who completed the same study and she
described how her experimenter was sloppy, rude, and made her feel uncomfortable. What is
your conclusion?
A) The experimenters' characteristics will have little impact on the dependent variable.
B) The experimenters' characteristics could be an extraneous variable in the experiment.
C) The experimenters' characteristics could be a nuisance variable in the experiment.
D) Your friend must have misinterpreted the experimenter.
Question 2
The probability that a statistical test will be significant is called the ________ of the test.
A) reliability B) power C) strength D) validity
The Meselson and Stahl experiment showing that DNA replication is semiconservative
Graphic display of hypothetical results of a predator removal experiment.
These illustrations show Ellen Craft, a slave with and without a disguise. She dressed “as a disting
Rosenthal and Fode’s Rat Experiment
Psychology experiment
Frederick Griffith’s experiment identifying a ″transformation factor″ responsible for heredity