How does matching work?
A) Subjects are given a pretest which assesses the same information that is being tested by the actual experiment, and then subjects with high scores are put into one of the groups, while subjects with low scores are put into the other group
B) Subjects are given a pretest which assesses information, similar to that which will be tested in the actual experiment, and then two subjects with similar scores are assigned to opposite groups, to ensure that the subject
characteristics are similar for each group
C) Subjects are matched on a variable not related to the dependent variable and
then are assigned to either one group or the other
D) Subjects are first tested on a variable which has nothing to do with the
experiment, and then are placed in the same group if they have similar scores
Question 2
Things we know to be true based on human sensations are known as ________,
whereas potential explanations, which often use subsequent evidence to support such
explanations are known as ________.
A) Perceptions, Theories
B) Perceptions, Speculation
C) Laws, Theories
D) Facts, Theories
Four types of cellular responses to positional information in animals.
Laboratory Requisition Information
Keep your arms in front of your body as you work.
A Painter At Work
Math work
Turning Play into Work