Exercise 1: Applying the Full CRAAP Test — Possible Solution
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This exercise has no single correct source to analyze - the point is
applying all five criteria honestly to something you actually read.
A worked example, using a generic "online health tips blog post":

CURRENCY: Fails if the post is several years old and covers a topic
(e.g. current medical guidelines) that changes frequently; passes if
either the content is genuinely timeless or the post is recently dated
and topic-appropriate.

RELEVANCE: Passes if the post directly addresses the specific question
you had in mind, at a level of depth that actually answers it - fails
if it only tangentially touches your question or is written at a level
far too basic or advanced to be useful.

AUTHORITY: Fails if the author has no stated credentials, affiliation,
or checkable expertise in the subject; passes if the author is a named
professional in a relevant field, or the outlet itself has a real,
verifiable editorial standard.

ACCURACY: Fails if claims are made with no citations or supporting
evidence, or contradict what more authoritative sources say; passes if
claims are backed by references you can independently verify elsewhere.

PURPOSE: Fails if the primary purpose is selling a product or driving
ad traffic disguised as neutral information; passes if the purpose is
genuinely to inform, with any commercial interest disclosed openly.

ANSWER: (worked example) Currency - passes/fails depending on
publication date vs. topic volatility; Relevance - passes if it
directly answers the reader's actual question; Authority - fails if no
checkable credentials are given; Accuracy - fails if no verifiable
citations support its claims; Purpose - fails if the underlying goal is
selling something rather than informing. A source failing several
criteria (especially Authority, Accuracy, and Purpose together) is a
strong sign it shouldn't be relied on for a real research claim.

WHY THIS WORKS AS AN ANSWER
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This applies all five real CRAAP criteria individually, with a
reasoned pass/fail judgment for each rather than a single vague overall
impression, matching what the exercise asked for.