An Extended Example is a story, narrative, or anecdote developed at some length to illustrate a point. 

There are three major kinds or supporting material: Examples, Statistics and Testimony

Chronological order is a method of speech in which the main points follow a directional path. 

Online speeches should be as polished and professional as in-person speeches. 

Ethnocentrism is the belief that one’s own group or culture is superior to all other groups or cultures. 

Which of the following best describes the difference between a population and a sample in research?

A city government categorizes residents by neighborhood (Downtown, Eastside, North Hills, West Side).  The variable neighborhood is what level of measurement? 

A researcher is estimating the average income of city residents. How does increasing the sample size affect the study’s estimates?

A city is studying whether adding more streetlights reduces crime in certain neighborhoods. Preliminary results show that neighborhoods with more streetlights have lower crime rates. What is one possible lurking variable that might explain this relationship, and why? 

Thomas lives an exciting life consuming only boiled potatoes and boiled rutabagas (rutabagas are a root vegetable very similar to potatoes). Potatoes sell for $2 per pound and rutabagas sell for $4 per pound. Thomas finds that when his income is spent, his marginal utility of the last pound of potatoes he buys is 10 while his marginal utility of the last pound of rutabagas he buys is 16. Thomas could increase his total utility without violating his budget by consuming