|
Author Question: Which threat to internal validity is never a concern in the one-group pretest-posttest ... (Read 57 times) |
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Did you know?
The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.