Identify the
1. control group
2. independent variable
smithers thinks that a special juice will
increase the productivity of workers. he
creates two groups of 50 workers each and
assigns each group the same task (in this
case, they're supposed to staple a set of
papers). group a is given the special juice
to drink while they work group b is not given the special juice.
after an hour, smithers counts how many stacks of papers each
aroup has made group a made 1,587 stacks, group b made
2,173 stacks
3. dependent variable
4. what should smithers' conclusion
be?
5. how could this experiment be
improved?