Dr Malcolm Is Developing a New Personality Inventory

question 36

Multiple Choice

Dr. Malcolm is developing a new personality inventory. In his validation study, he ensures that his participants include individuals from every state, an equal number of men and women, individuals from all ethnic and racial backgrounds, and individuals from both rural and urban areas. Dr. Malcolm is trying to ensure that his study is ____.

• A) internally valid
• B) tightly controlled
• C) externally valid
• D) reliable

---

Definitions:

Price Ceiling

A legal maximum price set by the government for a particular good or service, aimed at preventing prices from reaching excessively high levels.

Shortage/Surplus

A shortage occurs when demand exceeds supply for a product or service, whereas a surplus occurs when supply exceeds demand, leading to downward pressure on prices.

Demand Equation

A mathematical expression that relates the quantity of a good that consumers are willing to buy to the good's price and other variables such as income and the price of related goods.

Price Floor

A government-imposed minimum price set above the equilibrium price, preventing market prices from falling below it.