WGU D265 Critical Thinking: Reason and Evidence | 125
Questions with 100% Correct Answers | Verified | Latest
Update
PROPOSITIONS -✔✔ Are statements that can be true or false
NON-PROPOSITONS -✔✔ Are sentences that are not statements about matters of fact or
fiction. They do not make a claim that can be true or false.
SIMPLE PROPOSITIONS -✔✔ Have no internal logic structure, meaning whether they are true or
false does not depend on whether a part of them is true or false. They are simply true or false
on their own. (Example: Harry Potter wears glasses. The sky is blue.)
COMPLEX PROPOSITIONS -✔✔ Have internal logic structure, meaning they are composed of
simple propositions. Whether they are true or false depends on whether their parts are true or
false. (Example: The sky is blue, but it does not look blue to me right now. The cat ate the food,
but he did not like it. The GDP of Canada is either $3 trillion or $12 trillion.)
Words used to identify Independent Propositions -✔✔ AND, OR, EITHER, BUT, IF, THEN.
CONCLUSION INDICATORS -✔✔ THEREFORE, SO, IT FOLLOWS THAT, HENCE, THUS, ENTAILS
THAT, WE MAY CONCLUDE THAT, IMPLIES THAT, WHEREFORE, AND AS A RESULT.
PREMISE INDICATORS -✔✔ BECAUSE, FOR, GIVEN THAT, AS, SINCE, AS INDICATED BY.
DEDUCTIVE ARGUMENTS -✔✔ Arguments where the premises guarantee or necessitate the
conclusion.
-mathematical arguments, logical arguments, arguments from definition.
, INDUCTION ARGUMENTS -✔✔ Arguments where the premises make the conclusion probable.
-analogies, authority, causal inferences, extrapolations, etc.
INFERENCE TO THE BEST EXPLANATION OR ABDUCTION -✔✔ Arguments where the best
available explanation is chosen as the correct explanation.
FORMAL FALLACY -✔✔ Concerns the structure of an argument
INFORMAL FALLACY -✔✔ Concerns the informational content of an argument
A FORMAL FALLACY IS A TYPE OF -✔✔ Bad Argument Structure
Which piece of information would be the most helpful to know in assessing the credibility of a
news story? -✔✔ Whether the name of the author and the publication are identified
Which questions are most appropriate for evaluating the credibility of an information source? -
✔✔ Who funded it? & Does it try to get you to distrust other sources?
While researching a topic on the internet, a student encounters two different websites, one of
that looks more official than the other and includes tables, charts, and statistics, while the other
does not.
What is the line of reasoning this student should employ to determine which site is more
credible? -✔✔ It is not feasible to determine which site is more credible from the information
provided.
In which way should an information source be approached if it is stating that it is the only
source of real information and that other sources cannot be trusted? -✔✔ Skeptically, because
the source may lack credibility.
Questions with 100% Correct Answers | Verified | Latest
Update
PROPOSITIONS -✔✔ Are statements that can be true or false
NON-PROPOSITONS -✔✔ Are sentences that are not statements about matters of fact or
fiction. They do not make a claim that can be true or false.
SIMPLE PROPOSITIONS -✔✔ Have no internal logic structure, meaning whether they are true or
false does not depend on whether a part of them is true or false. They are simply true or false
on their own. (Example: Harry Potter wears glasses. The sky is blue.)
COMPLEX PROPOSITIONS -✔✔ Have internal logic structure, meaning they are composed of
simple propositions. Whether they are true or false depends on whether their parts are true or
false. (Example: The sky is blue, but it does not look blue to me right now. The cat ate the food,
but he did not like it. The GDP of Canada is either $3 trillion or $12 trillion.)
Words used to identify Independent Propositions -✔✔ AND, OR, EITHER, BUT, IF, THEN.
CONCLUSION INDICATORS -✔✔ THEREFORE, SO, IT FOLLOWS THAT, HENCE, THUS, ENTAILS
THAT, WE MAY CONCLUDE THAT, IMPLIES THAT, WHEREFORE, AND AS A RESULT.
PREMISE INDICATORS -✔✔ BECAUSE, FOR, GIVEN THAT, AS, SINCE, AS INDICATED BY.
DEDUCTIVE ARGUMENTS -✔✔ Arguments where the premises guarantee or necessitate the
conclusion.
-mathematical arguments, logical arguments, arguments from definition.
, INDUCTION ARGUMENTS -✔✔ Arguments where the premises make the conclusion probable.
-analogies, authority, causal inferences, extrapolations, etc.
INFERENCE TO THE BEST EXPLANATION OR ABDUCTION -✔✔ Arguments where the best
available explanation is chosen as the correct explanation.
FORMAL FALLACY -✔✔ Concerns the structure of an argument
INFORMAL FALLACY -✔✔ Concerns the informational content of an argument
A FORMAL FALLACY IS A TYPE OF -✔✔ Bad Argument Structure
Which piece of information would be the most helpful to know in assessing the credibility of a
news story? -✔✔ Whether the name of the author and the publication are identified
Which questions are most appropriate for evaluating the credibility of an information source? -
✔✔ Who funded it? & Does it try to get you to distrust other sources?
While researching a topic on the internet, a student encounters two different websites, one of
that looks more official than the other and includes tables, charts, and statistics, while the other
does not.
What is the line of reasoning this student should employ to determine which site is more
credible? -✔✔ It is not feasible to determine which site is more credible from the information
provided.
In which way should an information source be approached if it is stating that it is the only
source of real information and that other sources cannot be trusted? -✔✔ Skeptically, because
the source may lack credibility.
