Ellen Hamaker

**"E.L." Hamaker** (an haife ta a ranar 13 ga watan Fabrairun shekara ta 1974) masaniyar ilimin halayyar ƴan kasar Holland ce, kuma masaniyar lissafi. Tun daga shekara ta 2018 ta kasance cikakkiyar farfesa a Jami'ar Utrecht, tana riƙe da kujerar Longitudinal Data Analysis a Sashen Methodology da Statistics.  Ayyukanta suna mai da hankali kan ci gaban samfuran ƙididdiga don nazarin bayanai masu zurfi a cikin ilimin halayyar mutum, galibi a cikin zubin tsarin daidaitawa da nazarin jerin lokaci. 

## Tarihin rayuwa

### Ilimi
Hamaker ta sami digiri na farko da digiri na biyu a fannin ilimin halayyar ɗan adam daga Jami'ar Utrecht, a cikin 1997 da 1999 bi da bi. Ta sami digirinta na PhD a cikin hanyoyin ilimin halayyar dan adam a shekara ta 2004 a Jami'ar Amsterdam, a ƙarƙashin kulawar Peter Molenaar da Conor Dolan, don rubutunta: "Binciken jerin lokaci da mutum a matsayin sashin binciken halayyar mutum"

### Ayyukan ilimi
A shekara ta 2005 Hamaker ya zama ɗan'uwan postdoctoral a Sashen Psychology, Jami'ar Virginia . Hamaker ya koma Netherlands a shekara ta 2006, an naɗa shi mataimakin farfesa a Sashen Hanyar da Kididdiga, Jami'ar Utrecht .  An inganta ta zuwa mataimakiyar farfesa a shekara ta 2011, kafin a inganta ta zuwa cikakken farfesa tare da kujera Longitudinal Data Analysis a shekara ta 2018.  Tun daga shekara ta 2014 ta kasance mai bincike a kungiyar Bincike ta Quantitative Psychology da Bambance-bambance na Mutum, KU Leuven, a Belgium.

### Bincike
Binciken farko na Hamaker ya mayar da hankali kan aikace-aikacen dabarun jerin lokaci a cikin ilimin halayyar mutum, don nazarin tsarin da ke faruwa a cikin mutane a tsawon lokaci. Ƙarin wadatar bayanan da aka tattara ta amfani da Hanyar samfurori ta kwarewar a cikin ilimin halayyar dan adam ya haifar da karuwar sha'awar wannan hanyar a cikin binciken halayyar mutum. Mafi sanannun takardunta shine sukar da ta yi game da tsarin bangon giciye,  inda ta ba da shawarar yin la'akari da bambance-bambance masu kama da halaye tsakanin mutane ta hanyar amfani da samfuran multilevel tare da katsewa na bazuwar. Har ila yau, tana ba da shawara game da tunanin mutum a cikin kimiyyar zamantakewa,  tana nuna cewa ƙaddamarwa bisa ga bayanan sashi ba lallai ba ne ya zama gama gari ga matakai a cikin wani mutum. 

Tun daga shekara ta 2015 Hamaker ya yi aiki tare akai-akai tare da Bengt O. Muthén da Tihomir Asparouhov a ci gaban Dynamic Structural Equation Modeling, wani tsari wanda ke ba da damar nazarin jerin lokaci na Bayesian a cikin kunshin software Mplus . 

Hamaker ta bayyana cewa babban burin bincikenta shine kafa alaƙa tsakanin sabbin dabarun kididdiga da bincike na ilimin halayyar mutum.

### Nasarorin da ya samu
A duk lokacin da ta yi aiki a fannin ilimi, Hamaker ta yi aiki ne a matsayin mataimakiyar edita na Multivariate Behavioral Research . A cikin 2019 an nada ta a matsayin abokiyar kungiyar Association for Psychological Science . 

## Rayuwa ta mutum
Hamaker jikokin masanin kimiyya ne na Dutch Hugo Christiaan Hamaker, wanda aka sani da gudummawar da ya bayar ga kimiyyar lissafi (Hamaker constant) da kididdiga.

## Manazarta

## Haɗin waje

* Ellen Hamakerwallafe-wallafen da aka jera taMasanin Google
* Shafin Kwalejin
* Shafin Lab