Answer:
d) selection-maturation effect.
Explanation:
Based on the scenario being described within the question it can be said that this could also equally reflect the selection-maturation effect. This term refers to a differential rate of normal growth that occurs between pre-test and pos-tests. Such as is the case in this scenario since the scores have increased drastically between these two stages of the testing period.
True I think I have learned about this but I am 90% sure
The answer is Tranquilizer.
Nembutal is a barbiturate which is a sedative, barbiturates are non-selective central nervous system depressants. It is lethal in high doses. A tranquilizer/sedative is a sleeping pill but are also used as an anti-anxiety drug as they have calming effects on patients, however taken in high doses can result in accidental/purposeful death.
