A(n) is an event or condition that precedes a specific behavior and acts as either a trigger, a signal for reinforcement or a motivating factor.

The correct approach is "Antecedent stimulus".

Explanation:

sir frederic attributed inaccuracies to schemas. memory reconstruction is one part actual events and one part personal schema, which can result in inaccuracies when memories are reconstructed.

i believe the answer is: returns on investments, no wages

people who belong in upper class society would most likely get there by obtaining multiple source of income, which a certain percentage of ownership for businesses. since most of them are job creator, they would most likely get their money from profit, not wages.