my wife is a clinical psychologist, and she most certainly does not prescribe anti-depressants, either directly or by asking psychiatrists to do it for her. she works with a lot of BPD patients, and her treatment focuses on teaching CBT and DBT skills to them.
often her patients have other treaters, including psychiatrists who do prescribe anti-depressents or other psychopharmaceuticals to them. in many cases, she agrees with the decision to medicate because she can see the difference in her patients when they're on or off their meds. but in no case does she ever initiate the prescription herself.
i understand you had a different experience, but it's inaccurate to make a blanket statement like "psychologists do _____" based on that.
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