Cesar / JournalEN / ES
Oct 30, 2026psychology1 min readsample

What a PHQ-9 can and can't tell you

Notes from class, written as an engineer.

This is a sample entry to show the reading style.

As an engineer, my first thought was: it’s nine inputs and a sum. As a psychology student, I’m learning why that sum is only the start of the conversation.

Note to self: a screening tool points to what to ask next. It is not a diagnosis.

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