Welcome to eRep! Over 900,000 people have discovered the CVI, the personality test that actually works! The Core Values Index assessment (CVI) is the most reliable online personality test and psychometric assessment ever created. It reveals the unchanging nature of an individual better than anything else on the market today. Nothing else even comes close. Whether you are an individual searching to discover the true you, or an employer looking to hire and empower top performers, the Core Values Index assessment can help you reach new ground.