
zaan hetch. ruchi

zaan hetch. flavel (jananam aagashtu 9,1928, rockland, masachusetslo) pillala abhignaa abhivruddhilo pratyekata kaligina american abhivruddhi manastatvavetta.
vidya.
1945 nundi 1947 varaku rendu samvatsaraalu united states sainyamlo panichesina taruvaata, zaan hetch. flavel eshaanya vishwavidhyaalayamlo cheraadu, akkada athanu manastatvasaastramlo bachelor degreeni pondaadu. graduation taruvaata, athanu clark vishwavidyaalayam mariyu haarvard vishwavidhyaalayamlo clinical psychology prograamlo cheraadu. zaan hetch. flavel 1952loe clark vishwavidyaalayam nundi emae sampaadinchaadu mariyu 1955loe pihech.dii. kotta abhivruddhi drugvishayaanni kanugonadam mariyu zeane piaget siddhaantaala vislaeshanha dwara, flavel united stateslo abhivruddhi manastatvasaastram yokka disanu maarchindi.
vrutti.
1955-1956 loe flavel fort leone v vadda clinical psychologistga panicheesaaru.eah. koloradoloni aasupatri. fort leone nuu vidichipettina taruvaata athanu newyork looni rochester vishwavidhyaalayamlo clinical associate gaa, aapai psychology assistant professor gaa padavini sweekarinchaadu. 1965loe flavelnu minnesota vishwavidyaalayam yokka institute off chiled developmentlo puurti samayam professorga maramani koraru. 1976loe stanford vishwavidhyaalayamlo chaeradaaniki 10 samvatsaraala taruvaata flavel vellipoyaadu, akkada athanu vaari professorlalo okadu ayyadu.
flavel saadhinchina konni vijayalalo 1963loe dhi developmental psychology off zeane piaget anae paerutoe pillala abhignaa abhivruddhipai oka pustakam rayadam undhi. 1970loe flavel apa yokka abhivruddhi manastatvasastra vibhaagaaniki adhyakshudiga unnaaru. flavel srcd (society pharr research inn chiled development) paalaka mandalilo enimidi samvatsaraalu panicheesaaru mariyu abhignaa manastatvasaastram yokka sampadakiya mandalilo charter sabhyudu. flavel aneka pustakaalu mariyu 100 kante ekkuva kathanaalanu raasaaru mariyu 1984loe american psychological association (apa) yokka vishishta shaastreeya sahakaara avaardunu andukunnaru.
 1984loe american psychological society nundi vishishta shaastreeya krushiki gaanu ayana oka avaardutho gurtimpu pondaaru, mariyu 1994loe united states national academy off sainsesku ennikayyaaru. prastutam ayana stanfordlo developmental psychology emeritus professorga unnaaru.
parisoedhana.
flavel metacognition mariyu pillala manassu siddhaantampai vistrutamaina parisoedhananu nirvahinchindi. eee rangaaniki ayana chesina atyanta prasiddha rachanalalo okati, roopaaniki mariyu vaastavikataku madhya vyatyaasaanni pillala avagahananu pempondinchukovadampai ayana chesina krushi. eee adhyayanalu icchina vastuvu nijamgaa oka rakamaina vastuvu anie, inca maroka rakamaina vastuvugaa kanipistundani, ledhaa icchina padaartham mukka nijamgaa oka rangu anie, inca nirdishta paristhitulalo maroka rangugaa kanipistundani angeekarinche chinna pillala saamarthyaanni anchanaa vaesaayi. flavel mariyu athani sahacharulu chaalaa mandhi moodella pillalu eee panulalo viphalamavutunnaarani kanugonnaru, aidu samvatsaraala pillalu mariyu naalugu samvatsaraala kante pedda pillalu vaatilo vijayam saadhistaaru. pillalu vaastavikata yokka manasika praatinidhyam yokka bhavananu vaastavikata nundi vaerugaa pondutaarani suuchistuu flavel eee abhivruddhi vyatyaasaanni ardham chesukuntundi. roopa-vaastavikata namuunaa, tappudu-nammakam panitho paatu, baalyamlo manassu abhivruddhi siddhaantam yokka roganirdhaaranagaa vistrutamgaa upayoginchabadutundi. flavel yokka itara rachanalu pillala avagahana, drukpatham-teesukovadam mariyu vaari swantha aatmaasraya anubhavaalalo vaari aatmapariseelana antardrushtini abhivruddhi cheyadaanni uddesinchi unnaayi.