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vscid
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Some official Web sites of regionally accredited colleges have receive 02 Apr 2008, 07:09
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C
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Difficulty:

75% (hard)

Question Stats:

54% (02:24) correct 46% (02:15) wrong based on 80 sessions

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Some official Web sites of regionally accredited colleges have received the highest possible rating from the Federal Department of Education. However, all official Web sites of nationally accredited colleges have received the highest possible rating from the same department.

Which of the following, if added to the statements above, would provide most support for the conclusion that all Web sites administered by individuals holding advanced degrees in educational technology have received the highest possible rating from the Federal Department of Education?


A. Only official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

B. All Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

C. Only Web sites that have not received the highest possible rating from the Federal Department of Education are administered by individuals not holding advanced degrees in educational technology.

D. All official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

E. No Web site administered by individuals holding advanced degrees in educational technology is an official Web site of a regionally accredited college.

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C
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dushver
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Some official Web sites of regionally accredited colleges have receive 02 Apr 2008, 22:43
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I will choose C. Rest of the options don't include the regionally accredited colleges.
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Some official Web sites of regionally accredited colleges have received the highest possible rating from the Federal Department of Education. However, all official Web sites of nationally accredited colleges have received the highest possible rating from the same department.

Which of the following, if added to the statements above, would provide most support for the conclusion that all Web sites administered by individuals holding advanced degrees in educational technology have received the highest possible rating from the Federal Department of Education?


a. Only official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

b. All official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

c. Only Web sites that have not received the highest possible rating from the Federal Department of Education are administered by individuals not holding advanced degrees in educational technology.

d. All official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology.

e. No Web site administered by individuals holding advanced degrees in educational technology is an official Web site of a regionally accredited college.
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It's C in my opinion.

My reasoning below:

a. Only official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology. (this is true but what about some regionally accredited institutions? Some have official websites of regionally accredited colleges have received the highest rating)

b. All official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology. (this is true but aren't we forgetting about some regionally accredited colleges here?)

c. Only Web sites that have not received the highest possible rating from the Federal Department of Education are administered by individuals not holding advanced degrees in educational technology. (Spot on, this clearly confirms that anywebsite that has received the highest rating Regionally or nationally is administered by individuals with advanced educational technology degrees).

d. All official Web sites of nationally accredited colleges are administered by individuals holding advanced degrees in educational technology. (same as B)

e. No Web site administered by individuals holding advanced degrees in educational technology is an official Web site of a regionally accredited college.[/quote] (unecessary)
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Some official Web sites of regionally accredited colleges have receive 03 Apr 2008, 07:46
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I too go with C.

my way was to find a single case with the statement which may be true.

thus C doesnt provide any such cases with which the statement ceases to be false.

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Neo
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Some official Web sites of regionally accredited colleges have receive 06 Apr 2008, 21:48
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vscid
and given that all Web sites administered by individuals holding advanced degrees in educational technology are official Web sites of nationally accredited colleges,
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Hey vscid.In where of the argument can you prove the colored one? I saw it appear only in the explaination you called OE. I think there is something wrong here.

Do you see the difference btw A and B? The only difference btw them is "ONLY" in A and "ALL" in B. And in logic term A is mistaken reversal of B

B: All A is B
From there you will wrong if you say: All B is A
And A is exactly same as "mistaken reversal" of B
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Some official Web sites of regionally accredited colleges have receive 10 Feb 2020, 21:45
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Official Answer is A.

You can rephrase choice (A) as follows: All websites administered by individuals holding advanced degrees in educational technology are official websites of nationally accredited colleges. In other words, the following two symbolic statements are logically equivalent:

Only A are B
All B are A

Given that all websites of nationally accredited colleges have received the highest possible rating from the Department, and given that all websites administered by individuals holding advanced degrees in educational technology are official websites of nationally accredited colleges, it follows logically that all websites administered by individuals holding advanced degrees in educational technology have received the highest possible rating from the Department. To follow the logical steps, it helps to express the premises and conclusion symbolically:

Premise: All A are C
Premise: All B are A.
Conclusion: All B are C.

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