Can proverbs be tested empirically? Consider each of the following proverbs carefully

Can proverbs be tested empirically? Consider each of the following proverbs carefully. Then describe one plausible independent variable (and categories of variation), a dependent variable (operationalized), an attribute variable, and an extraneous variable that you might control. State the testable hypothesis in an If A, then B format.

a. Too many cooks spoil the broth.

b. Absence makes the heart grow fonder.

c. Early to bed, early to rise, makes a man healthy, wealthy, and wise.

d. Laughter is the best medicine.

e. No pain, no gain.

f. Practice makes perfect.

g. Spare the rod and spoil the child.

h. The love of money is the root of all evil.

j. Time is a great healer.

k. United we stand, divided we fall.

l. A rolling stone gathers no moss.