Check Whether the Method Supports the Conclusion - Practice 2

Read a study description for who was included, what was measured and how comparison conditions were assigned.

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Read a study description for who was included, what was measured and how comparison conditions were assigned. A conclusion should not silently exceed those design limits. All data here are invented for reading practice.

Worked example

A one-day trial with one volunteer group can describe that trial. It cannot alone prove a method works for every learner all year.

Would you believe it?

A study of experienced users on one task does not automatically describe beginners on every task.

Original fiction: The Shorter Help Page

A fictional team tested a shorter help page with fifteen experienced users. Fourteen found the requested setting within a minute. No first-time users participated, and the trial measured only finding that setting. The team describes the result as promising for experienced users on this task. It does not claim improved understanding of every feature or success for new users.

Question 1 Who participated? only first-time users every customer fifteen experienced users

Question 2 What outcome was measured? long-term satisfaction finding one requested setting within a minute understanding every feature

Question 3 Which population was not included? first-time users experienced users the fifteen volunteers

Question 4 Which conclusion matches the scope? The page teaches every feature to everyone. All new users will succeed. The result is promising for this task with experienced users.

Question 5 What evidence would be needed before making a claim about beginners? the same result copied twice a relevant evaluation including beginners a more confident adjective

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