Second Round Commentary on Guttman.

Implicational Scaling of Reading Comprehension Construct: Is it Deterministic or Probabilistic?

In English as a Second Language Teaching and Testing situations, it is common to infer about learners’ reading ability based on his or her total score on a reading test. This assumes the unidimensional and reproducible nature of reading items. However, few researches have been conducted to probe the issue through psychometric analyses. In the present study, the IELTS exemplar module C (1994) wa...

Moving on to second-line therapies in pediatric MS: Immunosuppression with cyclophosphamide.

طراحی مدل ملی اعتبار بخشی با استفاده از تکنیک دلفی

Background: Accreditation is one of the evaluation systems which have numerous effects on the key indicators in health care system. To develop a suitable accreditation model, a best way could be the benchmark of the powerful and successful accreditation models in all over the world. By considering likely differences in the various countries health systems, this study aims to survey the compatib...

The cylindrical structure of the Wechsler Intelligence Scale for Children ¬タヤ IV: A retest of the Guttman model of intelligence

A previous study on the underlying structure of the Wechsler intelligence test (WISC-R; [Wechsler, D. (1974). Manual WISCR: Wechsler intelligence scale for children—Revised. New York: Psychological Corporation]), using smallest space analysis (SSA) [Guttman, L., and Levy, S. (1991). Two structural laws for intelligence tests. Intelligence, 15, 79–103] had indicated a threedimensional cylindrica...

In Vitro Maturation of Mouse Round Spermatid Cells Using FSH and Testosterone

Purpose: Both initiation and maintenance of spermatogenesis are hormonally regulated by FSH and testosterone.In this study the effects of FSH,and testosterone on in vitro maturation round spermatids were determind. Materials and Methods: Cell suspension was isolated from testis of NMRI male mice (8-10 weeks old) and divided inio two groups. The first part was cultured in medium containing DMEM...