.*i.:, " Ea+. i:.: i|r Journal of the All India Instirute of Speech and llearint ; 1990, Vol XXI Linguistic Profite Test (LpT) . Normative data for chircrren in Gracles I to v M.G. Suchitra & pratibha Karanth Dept. of Speech pathology, All India Institute of Speech antl IIearing., Mysore Abstract The study focussed on iie cofiection of normarive data lbr school going children from Grade I to GradevfortheLinguisticProfileTest&n). IS0childrenranginginagefrom6+yearstol0+yearswere the subiects in the current study. There were 30 subiects in each age group. Mean and standard deyiation of LPT scores ( total scores) were calcultttecl. Metm ancl standard devitttians of each of the three sections '(Phonology, Syntax and semrtntics) of LP'f was also obrained. The nornuttive data would be useful in identifying childrenwith language disorders at particular linguistic level.s arul also us a baselinefor r)""rh- language therapy. The qualitative analysis of the tlata were in line with th.e descriptive studies on the aspects oJ. language i'e, Phonology, syntax and semantics. Mean scorefor the phonology sectionv,as higher when compared to the other two sections,confirrning the earlierfindings that phonological developmentwas almost complete by the time the chitd reaches 6 years and beyond this the same level was mqintained- As chcmce factor was high in the younger age groups in grammaticarity judge.ment tasks(in,i" rr:r:u* r.riint), the Grammatical sensitivity Index (A') was calculated. 'rhe sensitivity Index indicated an increase in graitmati- cal sensitivitywith an increase in age, con"firming tiefinttinl3s oJ'the earlier study that 'dult like sen.sitivity wasacquiredbyadolescence' Thefinttingsinthesemantic;tectiorwerealsosimilartothoseinthesyntax section' statistical analysis (Newman / Keul' s RangeT'est) indicated significant difference among most of the age groups (excepts 6+ & 7+)for total scores as well a.s for each of the three sections ofLpT, conJirming the findings of the earlier stutlies that a developmental trend was evident among age groups ,vith a rise at about 8 years and tending to slow down at about l0 years rsf age. The findings of the cuyrent stutly are in line vvith thbse of other investigators who equate metalinguistic a'1)areness with other skitls which emerge later in chitdhood at which stage the child. gives evidence of the ability toformulate and make judgerrcnts about language. Introduction The presentation of language tests has assumed that a judgement of .,language disorder" must be based on anunderstand- ing in both form and function, of whatis to be expected with chronological age. The description avaitable from an appropr.iate combination of test results the child's abili_ ties and disabilities within his language system (Harold andThornas l9g1). During the last decadeor two, a plethora of language tests have beenpub_ lished in the west. Consequently, thespeech ;i 'r::i ;j