assessment of difficulty
21Industrial and organizational psychology — Psychology …
22Item response theory — In psychometrics, item response theory (IRT) is a body of theory describing the application of mathematical models to data from questionnaires and tests as a basis for measuring abilities, attitudes, or other variables. It is used for statistical …
23Traumatic brain injury — See also: Brain injury (disambiguation) Traumatic brain injury Classification and external resources …
24UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
25Asperger syndrome — Classification and external resources …
26Developmental dyspraxia — For Motor dyspraxia, see Motor skills disorder. Developmental dyspraxia Classification and external resources ICD 10 F82 ICD 9 …
27Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
28Attention deficit hyperactivity disorder — Attention deficit/hyperactivity disorder Classification and external resources Children with ADHD often find it difficult to do their schoolwork. ICD 10 F …
29English as a foreign or second language — ESL redirects here. For other uses, see ESL (disambiguation). An immigrant makes an American breakfast, aided by instructional materials from the YMCA, 1918. English as a second language (ESL), English for speakers of other languages (ESOL) and… …
30Pedophilia — This article is primarily about the sexual interest in prepubescent children. For the sexual act, see Child sexual abuse. For the primary sexual interest in 11–14 year old pubescents, see Hebephilia. For mid to late adolescents (15 19), see… …
