Hypotheses Quiz Flashcards
Which statement is the best example of a hypothesis?
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.
Smaller class size is related to better academic performance
Which hypothesis is problematic because it cannot be tested?
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.
There would be less stress today if 9/11 had never occurred.
A refutable hypothesis must ____.
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
Allow for the possibility that the observations will not support the hypothesis
A good hypothesis should make a positive statement about the existence of a relationship, a difference, or a treatment effect.
True
False
TRUE
Which of the following best describes a null hypothesis?
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.
A statement that the effect being studied does not exist
