Chapter 2: CLASSIFICATION
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No. of Questions = 11
In this exercise, you will be given a classification and asked to determine which rule of classification that it violates. In order to be valid, a classification must satisfy all four of the following rules; if it violates one or more, it is not a good classification.

In a classification,
1) the dividing members must be mutually exclusive
2) the dividing members must be jointly exhaustive
3) a consistent basis must be employed
4) essential attributes must be employed

1 Security comes from a body alarm, a gun, a condom, a credit card, and true principles.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
2 Why did you put salad dressing and pickles on the same shelf when you re-arranged my cupboard? I put them both under "J" because they are both in jars.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
3 What objection is this critic making to a classification?
You failed to mention one of the most offensive noise makers of modern times--rock music.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
4 What objection is this critic making to a classification?
Two stages in the development of underdeveloped countries have been distinguished. The initial stage is one of traditional authority based on custom and kinship. This is replaced by a modern one based on legal-rational authority. Using this classification, though, the Ibo would have to be classified as modern before they even had any contact with colonists.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
5 What objection is this critic making to a classification?
According to Christian dualism, a person has a body and a soul. We from the African tradition find this unacceptable, because a person is composed of an earthly body, a soul, and a body spirit, which remains on earth when the soul leaves the body.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
6 The following classification is being objected to on which grounds?
Chemists used to distinguish spirit of nitre and aqua fortis. However, it turns out that they were both nitric acid. They just were prepared in two different manners.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
7 There are several genre of fiction--romance, horror, science fiction, action-adventure.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
8 There are three kinds of pies. Some have only one crust and the top is open. Another has both an upper and a lower crust with a filling in between. Mud pies have no crust.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
9 What objection is the author raising to a classification?
Aspirin was not mentioned as a means of protecting one from heart attacks.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
10 Animals, like fishes and whales, who live in the sea can be distinguished from animals, like lizards and cows, who live on the land.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed
11 Suppose you had the following animals: a dog, a poodle, a cat, a horse, and a pig. You classify the animals you own into dog, poodle, cat, horse, and pig.
a) the dividing members must be mutually exclusive
b) the dividing members must be jointly exhaustive
c) a consistent basis must be employed
d) essential attributes must be employed


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