Who is George Holden known for? (Easy)
#1: Being a famous painter
#2: Being a prominent psychologist
#3: Being a historical figure in mathematics
#4: Being a renowned musician
What significant contribution did George Holden make to the field of psychology? (Advanced)
#1: Development of attachment theory
#2: Research on child development
#3: Pioneering work in cognitive behavioral therapy
#4: Founding a prominent psychological association