The expression of a personality characteristic that is related to a specific circumstance, clinical condition, or period of time is called a

Avoiding _______ is a common treatment for phenylketonuria (PKU)

a. carbohydrates b. too much exercise c. food and drinks with too much sugar d. food and drinks containing high amounts of protein

What is the effect of counterbalancing? a. It eliminates order effects

b. It spreads order effects evenly across the treatment conditions. c. It eliminates individual differences. d. It spreads individual differences evenly across treatment conditions.