Relations (1)

cross_type 2.00 — strongly supporting 3 facts

John Bowlby is related to children because he conducted a study involving a sample of 88 children to investigate juvenile delinquency and emotional problems [1], specifically analyzing the impact of maternal separation on these children [2] and comparing them against a control group of children [3].

Facts (3)

Sources
John Bowlby's Attachment Theory - Simply Psychology simplypsychology.org Simply Psychology 3 facts
measurementIn the control group of 44 children used in John Bowlby's study, only two experienced prolonged separations, and none were diagnosed as affectionless psychopaths.
measurementOf the 14 children identified as affectionless psychopaths in John Bowlby's study, 12 had experienced prolonged separation of more than six months from their mothers during their first two years of life.
procedureBetween 1936 and 1939, John Bowlby selected an opportunity sample of 88 children from the clinic where he worked, consisting of 44 juvenile thieves (31 boys and 13 girls) and 44 control children (34 boys and 10 girls) who were referred for emotional problems but had not committed crimes.