A major disadvantage of between-subjects designs is that
a. the effect of one treatment may alter the effectiveness of later treatments.
b. participant differences may obscure treatment effects.
c. one must employ fewer independent variables.
d. one can use only a single independent variable.
Question 2
Preventing an extraneous variable from becoming a confounding variable by holding it constant can result in a threat to external validity.
a. True
b. False
Indicate whether the statement is true or false
Major types of microbial cell aggregations found in phylum Cyanobacteria.
The Major Divisions of the Nervous System
First-Pass Effect: Oral Drug Is Metabolized to an Inactive Form Before It Has an Opportunity to ...
Major marma point locations.
The two major forms of polynucleotide secondary structure
Major Causes of Death from Infectious Disease