✦ LIBER ✦
Methods of item validation and abacs for item-test correlation and critical ratio of upper-lower difference
✍ Scribed by Charles I. Mosier; John V. McQuitty
- Book ID
- 112724862
- Publisher
- Springer
- Year
- 1940
- Tongue
- English
- Weight
- 437 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0033-3123
No coin nor oath required. For personal study only.