Hypothesis quiz

Question 1

Which statement is the best example of a hypothesis?​

Answer 1

There is no relationship between fatigue and reaction time.

​Sugar consumption is not related to level of activity.

​(Smaller class size is related to better academic performance.)

​Self-esteem does not affect persistence on a difficult task.

Question 2

Which hypothesis is problematic because it cannot be tested?

Answer 2

​People worry too much about stress.

​Children can learn to decrease their stress levels faster than adults.

​(There would be less stress today if 9/11 had never occurred.)

​People use stress as an excuse to be rude.

Question 3

A refutable hypothesis must ____.​

Answer 3

refer to variables that can be observed or measured

​make a positive statement about the existence of an effect or a relationship

​(allow for the possibility that the observations will not support the hypothesis)

​state at least one conclusion that has already been proven

Question 4

A good hypothesis should make a positive statement about the existence of a relationship, a difference, or a treatment effect.​

Answer 4

(True)
False

Question 5

Which of the following best describes a null hypothesis?

Answer 5

(A statement that the effect being studied does not exist.)

A testable statement that describes the expected outcome of a study.

A statement that cannot be directly tested through experimentation.

A statement that always needs to be rejected in a hypothesis test.