Recent content by Sourabh

  1. S

    Item Response theory In variance

    Hey.... Thankyou so much. It really helped, i hope there should be some good courses in IRT, Educational assessment and measurement like we have in other fields.
  2. S

    Item Response theory In variance

    Hi, I am working on Educational assessment item calibration task. I am new to IRT and I have read 100s of papers still could not wrap around my head with invariance property of IRT and item calibration. My question is suppose I have response data of 20,000 students on 10 items, now I want to...