What is concreteness and how does it work in language?

When a researcher makes an educated guess based on a theory, that guess is called a(n) _____

Answer:

John is working on his speech about whether tax dollars should be spent to publicize

the new food pyramid. He comes across a vivid example of a 98-year-old man who ate massive quantities of red meat and fried food his entire life, and virtually no fruit or vegetables. If John were to use this example as evidence of a negative correlation between what people eat and how long they live, what would he be guilty of doing? A) Using an example when a statistic would have been preferable as evidence. B) Using an example that does not meet the test of typicality. C) Using a hypothetical rather than an actual example. D) Using an example that fails to generalize findings.