D265 - WGU - Critical Thinking - Reason
and Evidence questions and answers
2025\2026 A+ Grade
PROPOSITIONS
- correct answer Are statements that can be true or false
NON-PROPOSITONS
- correct answer 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
- correct answer 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
- correct answer 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
- correct answer AND, OR, EITHER, BUT, IF, THEN.
CONCLUSION INDICATORS
- correct answer THEREFORE, SO, IT FOLLOWS THAT, HENCE, THUS, ENTAILS THAT, WE MAY CONCLUDE
THAT, IMPLIES THAT, WHEREFORE, AND AS A RESULT.
, PREMISE INDICATORS
- correct answer BECAUSE, FOR, GIVEN THAT, AS, SINCE, AS INDICATED BY.
DEDUCTIVE ARGUMENTS
- correct answer Arguments where the premises guarantee or necessitate the conclusion.
-mathematical arguments, logical arguments, arguments from definition.
INDUCTION ARGUMENTS
- correct answer Arguments where the premises make the conclusion probable.
-analogies, authority, causal inferences, extrapolations, etc.
INFERENCE TO THE BEST EXPLANATION OR ABDUCTION
- correct answer Arguments where the best available explanation is chosen as the correct explanation.
FORMAL FALLACY
- correct answer Concerns the structure of an argument
INFORMAL FALLACY
- correct answer Concerns the informational content of an argument
A FORMAL FALLACY IS A TYPE OF
- correct answer Bad Argument Structure
Which piece of information would be the most helpful to know in assessing the credibility of a news
story?
- correct answer Whether the name of the author and the publication are identified
Which questions are most appropriate for evaluating the credibility of an information source?
- correct answer 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.
and Evidence questions and answers
2025\2026 A+ Grade
PROPOSITIONS
- correct answer Are statements that can be true or false
NON-PROPOSITONS
- correct answer 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
- correct answer 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
- correct answer 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
- correct answer AND, OR, EITHER, BUT, IF, THEN.
CONCLUSION INDICATORS
- correct answer THEREFORE, SO, IT FOLLOWS THAT, HENCE, THUS, ENTAILS THAT, WE MAY CONCLUDE
THAT, IMPLIES THAT, WHEREFORE, AND AS A RESULT.
, PREMISE INDICATORS
- correct answer BECAUSE, FOR, GIVEN THAT, AS, SINCE, AS INDICATED BY.
DEDUCTIVE ARGUMENTS
- correct answer Arguments where the premises guarantee or necessitate the conclusion.
-mathematical arguments, logical arguments, arguments from definition.
INDUCTION ARGUMENTS
- correct answer Arguments where the premises make the conclusion probable.
-analogies, authority, causal inferences, extrapolations, etc.
INFERENCE TO THE BEST EXPLANATION OR ABDUCTION
- correct answer Arguments where the best available explanation is chosen as the correct explanation.
FORMAL FALLACY
- correct answer Concerns the structure of an argument
INFORMAL FALLACY
- correct answer Concerns the informational content of an argument
A FORMAL FALLACY IS A TYPE OF
- correct answer Bad Argument Structure
Which piece of information would be the most helpful to know in assessing the credibility of a news
story?
- correct answer Whether the name of the author and the publication are identified
Which questions are most appropriate for evaluating the credibility of an information source?
- correct answer 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.
