American ▁psych ologist , ▁and ▁stat istic ian . ▁Since ▁ 2 0 1 8 ▁she ▁has ▁been ▁a ▁Full ▁Professor ▁at ▁U tre cht ▁University , ▁holding ▁the ▁chair ▁Long itud inal ▁Data ▁Analysis ▁at ▁the ▁Department ▁of ▁Method ology ▁and ▁Statistics . ▁ ▁Her ▁work ▁focus es ▁on ▁the ▁development ▁of ▁statistical ▁models ▁for ▁the ▁analysis ▁of ▁int ensive ▁longitud inal ▁data ▁in ▁psych ology , ▁mainly ▁within ▁the ▁frameworks ▁of ▁Struct ural ▁Equ ation ▁Model ing ▁and ▁Time ▁Series ▁Analysis . ▁ ▁Biography ▁ ▁Education ▁ ▁Ham aker ▁received ▁a ▁b ach elor ▁and ▁master ▁degree ▁in ▁psych ology ▁from ▁U tre cht ▁University , ▁in ▁ 1 9 9 7 ▁and ▁ 1 9 9 9 ▁respectively . ▁She ▁earned ▁her ▁Ph D ▁in ▁psych ological ▁methods ▁in ▁ 2 0 0 4 ▁at ▁the ▁University ▁of ▁Amsterdam , ▁under ▁the ▁super vision ▁of ▁Peter ▁Mol ena ar ▁and ▁Con or ▁Dol an , ▁for ▁her ▁th esis : ▁“ Time ▁series ▁analysis ▁and ▁the ▁individual ▁as ▁the ▁unit ▁of ▁psych ological ▁research ” ▁ ▁Academ ic ▁career ▁ ▁In ▁ 2 0 0 5 ▁Ham aker ▁became ▁a ▁post do ctor al ▁fellow ▁at ▁the ▁Department ▁of ▁Psych ology , ▁University ▁of ▁Virginia . ▁Ham aker ▁returned ▁to ▁the ▁Netherlands ▁in ▁ 2 0 0 6 , ▁being ▁appointed ▁Ass istant ▁Professor ▁at ▁the ▁Department ▁of ▁Method ology ▁and ▁Statistics , ▁U tre cht ▁University . ▁She ▁was ▁promoted ▁to ▁Associ ate ▁Professor ▁in ▁ 2 0 1