
Hypothsis:
A Glass of Warm Milk Will Help You Get to Sleep at Night
(Amany)
Dependaent variable

Sleeping at night
Control Variable
People of same age
Same type of milk
Same glasses
same drinking time
Conclusion

A glass of warm milk helps sleeping at night
Independent Variable

Milk
Control Group

Won't take milk
No. in each group
75
Comment
Hypothesis couldn't be generalized as the no. of each group wasn't that large.