{"product_id":"the-psychometrics-practice-system-tests-measurement-10-weeks","title":"The Psychometrics Practice System — Tests \u0026 Measurement, 10 Weeks","description":"\u003cp\u003ePsychometrics is not advanced statistics. It's a different question: not \"is there an effect,\" but \"does this score mean what you think it means.\"\u003c\/p\u003e\n\u003cp\u003eTen weeks of practice on that question. Reliability, validity, item analysis, test construction, factor analysis, IRT and fairness — each week building on the last, each day short enough to actually finish.\u003c\/p\u003e\n\u003cp\u003e306 pages. Explanations, applied examples, practice problems, worked solutions.\u003c\/p\u003e","brand":"Study Cortex ","offers":[{"title":"Default Title","offer_id":58895681093896,"sku":null,"price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/3759\/9752\/files\/Sistema_pratico_di_psicometria.png?v=1791375072","url":"https:\/\/studycortex.co\/products\/the-psychometrics-practice-system-tests-measurement-10-weeks","provider":"Study Cortex ","version":"1.0","type":"link"}