Standardnaja ošči\u27ka analiozaa nekotoryh individual\u27nyh testov dlja izmerenija intelektualnogo razvitija

In a sample of 540 subjects of both sexes, aged 7-15 (60 subjects of each age) nonverbal test of development from Grace Arthur scale form II (Knox, seguin, Stencil Dekign, Porteuz Maze Test and Healy Picture Completion Test), Raven Progressive matrices 1947, Kohs\u27s cubes and F. Goodenough man design test were applied. The subjects were divided into four age-groups (7-8, 9-10, 11-12- and 13-15 years). Test saturations with general cognitive factor, the standard error of the diagnosis of the general cognitive factor expressed in the parts of the unit standard deviation and the standard error of the diagnosis of the applied tests expressed in the parts of the standard deviation in each test were defined separately for each test and for every age group. On the basis of the results obtained it is concluded that the standard error in the diagnosis of the test is so high that it prevents the use of any test separately for the purpose of individual diagnosis and prognosis. The Progressive matrices 1947 tests, Kohs\u27s cubes and Stencil Design could somewhat help the estimation of the cognitive factor only as the members of valid battery of cognitive tests, because their standard errors in diagnosis are relatively smaller than in other tests