# Informal Logic

Topics: Scientific method, Logic, Modus tollens Pages: 5 (576 words) Published: October 28, 2012
Question Type:# Of Questions:# Correct:
Multiple Choice1010

1.Question :A scientific hypothesis is

Student Answer: a tentative claim to be tested.

a clever remark designed to confuse an audience.

a valid argument.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

2.Question :Karl Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the following?

Student Answer: Gather as much data as possible supporting the hypothesis

Fake the data

Try to show the hypothesis is false

Meditate on what the hypothesis really means

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

3.Question :One way to disconfirm the scientific hypothesis that chickens cannot fly would be to

look very hard for a chicken that can fly.

simply assert that chickens can fly.

simply assert that chickens cannot fly.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

4.Question :A strongly supported claim in science should be regarded as

Student Answer: correct, but something that can always be revised.

necessarily true.

meaningless but fun.

correct, and never needing revision.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

5.Question :An inactive substance or simulated medical procedure is called a

placebo.

platypus.

pleonasm.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

6.Question :Logicians regard the following as the meaning of the word "argument."

Student Answer: A hostile and emotional dispute

A poetic tribute to Spring

A set of reasons put forth to support a claim

The kind of thing one has with a spouse

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

7.Question :Which of the following may not qualify as a falsifiable claim?

Your house will be sold tomorrow.

Granite is more dense than sand.

Smoking may cause heart disease.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

8.Question :To support a scientific hypothesis, one might

Student Answer: gather data that confirms the hypothesis.

look for ways of refuting the hypothesis.

Both A and B

None of the above

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

9.Question :Descartes worried a great deal about the threat posed by which of the following?

Skeptics

Masons

Jesuits

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.

10.Question :"If I move to Texas, I will need air conditioning. I don't need air conditioning. So I didn't move to Texas" is an argument form known as

modus spumoni.

modus operandi.

modus tollens.

Instructor Explanation:The answer can be found in Chapter Five of An Introduction to Logic.