A Local Street Vendor Asks His Customer If He Would

question 3

Essay

A local street vendor asks his customer if he would like to play a game of chance. The vendor has a jar filled with 100 marbles. Of the 100 marbles, 80 are colored black while 20 are colored red. The vendor says that he'll reach in and pick a marble at random. If the marble is black, the vendor will pay his customer $1, but if the marble is red the customer must pay the street vendor $5. The picked marble is replaced after the game is finished. If this game is played indefinitely, is it more beneficial for the street vendor or the customer? Explain.

---

Definitions:

External Validity

External validity refers to the extent to which the results of a study can be generalized or extended to other situations, people, settings, and measures.

Experimenter Effects

Effects produced or influenced by clues to the hypotheses under examination, inadvertently communicated by the experimenter.

Laboratory Experiments

Controlled tests or investigations conducted in a lab setting where variables can be isolated and manipulated to study their effects.

Evaluation Apprehension

Worry about how others perceive or assess one's actions.