Suppose that a philosophy professor is able to monitor the amount of time her logic students spend working on a computerized tutorial program. When the students spend 5 hours on the program, their average grade increases by 4 percentage points. When they spend 10 hours on the program, their average grade increases by an additional 4 percentage points, and when they spend 15 hours working on the
program, their grades increase by yet an additional 4 percentage points. The professor concludes that work on the tutorial program causes an increase in student grades. What method did the professor use in drawing this conclusion?
A) The method of difference.
B) The method of agreement.
C) The method of concomitant variation.
D) The method of residues.
E) The joint method of agreement and difference.
C
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According to Alfie Kohn, competition promotes individual and group achievement better than cooperation
a. True b. False
Mary Wollstonecraft criticized Rousseau's ethical subjectivism on the grounds that:
A. society and civilization thwart the natural moral expressions of children. B. women make moral decisions based on care and sentiment, whereas men make moral decisions based on principles and reason. C. moral truths must be the same for both men and women. D. people in a state of nature are depraved and need society to enforce moral restraints on them.
INSTRUCTIONS: Select the answer that best characterizes each immediate inference. Adopt the Aristotelian standpoint for these problems. Some mistakes are not enduring tragedies. Therefore, no mistakes are enduring tragedies
A) Invalid, illicit contrary. B) Invalid, illicit subalternation. C) Valid, no fallacy D) Invalid, illicit contraposition. E) Invalid, existential fallacy.
An inductively strong argument is one in which it is absolutely impossible for the premises to be true and the conclusion false
Indicate whether the statement is true or false.