3- mavzu: Eksperimental tadqiqotlarning tarkibiy tuzilishi

Frensis Gа́lьton (1822  1911)- angliyskiy issledovatelь, geograf, antropolog i psixolog; osnovatelь differensialьnoy psixologii i psixometriki, statistik.
Francis Galton (1822 1911) - English explorer , geographer , anthropologist and psychologist ; founder of differential psychology and psychometrics , statistics.
Djе́yms Makkи́n Kе́ttell  (1860- 1944. Amerikalik olim. AQSHdagi eksperimental psixologiyaning ilk mutaxassilaridan biri, psixologiya sohasi bo‘yicha birinchi professor. Testlashtirish metodining asoschisi, bir qator testlarning muallifi, psixometrika va psixodiagnostikadagi ilk mutaxassislardan biri.
Djе́yms Makkи́n Kе́ttell (1860- 1944).Aamerikanskiy psixolog, odin iz pervыx spetsialistov po eksperimentalьnoy psixologii v SSHA, pervыy professor psixologii. Rodonachalьnik metodov testirovaniya, avtor ryada psixologicheskix testov, odin iz pervыx spetsialistov po psixometrii i psixodiagnostike.
James McKeen Cattell (1860- 1944) .Amerikansky psychologist, one of the first specialists in the experimental psychology in the United States , the first professor of psychology . The founder of the testing methods , the author of a number of psychological tests , one of the first specialists in psychometrics and psychological diagnostics .
Alьfrе́d Binе́ (1857 — 1911) — fransuz psixologi, tibbiyot va huquq bo‘yicha Parij universiteti doktori, Fransiyadagi eksperimental psixologiya laboratoriyasining asoschisi.
Alьfrе́d Binе́ ( 1857 — 1911) — fransuzskiy psixolog, doktor meditsinы i pravaParijskogo universiteta, osnovatelь pervoy vo Fransii Laboratorii eksperimentalьnoy psixologii. 
Alfred Binet (1857 - 1911) - French psychologist , MD, pravaParizhskogo University , founder of the first French laboratory of experimental psychology .
Intellekt koeffitsiе́nti («ay kьyu») — inson intellekti (aqliy taraqqiyot) darajasining miqdoriy bahosi.
Koeffitsiе́nt intellе́kta («ay kьyu») — kolichestvennaya otsenka urovnyaintellekta cheloveka (koeffitsient umstvennogo razvitiya).