“…Apart from the traditional psychometrically validated instruments (e.g., Wechsler's Adult Intelligence Scale, Raven's Progressive Matrices, or the U.S. Employment Service's General Aptitude Test Battery), studies have included working memory tests, reading tests, scholastic aptitude tests (SATS) and university admission tests, all taken in meta-analyses as surrogate measures of IQ. Sometimes, a ''general'' factor has been deduced as a composite of ''special ability '' tests (e.g., perceptual speed, memory;Lang et al, 2010), or by renaming the construct ''general mental ability'' (GMA) as ''another name for g'' (James & Carretta, 2002, p. 13).…”