bowlby's theory of maternal deprivation Flashcards
what is separation?
when the child is not in the presence of their primary attachment figure
what is deprivation?
separation from the primary attachment figure that causes harm to the child
how long and when is the critical period?
the first 30 months of a infants life
what happens if there is deprivation of emotional care in the critical period?
there will be psychological damage both intellectually and emotionally
what is the effect of deprivation on emotional development?
affectionless psychopathy- inability to experience guilt of strong emotions for others, preventing the future formation of normal relationships
what is the effect of deprivation on intellectual development
it will be delayed leading to a abnormally low IQ (Goldfarb found those raised in institutions had a lower IQ then those who were fostered)
what was the aim of Bowlby’s 44 thieves study?
to examine the link between affection-less psychopathy and maternal deprivation
what was the procedure of Bowlby’s 44 thieves study?
he used as natural experiment and used 44 teens accused of stealing and interviewed the for signs of affectionless psychopathy and then interviews the families for maternal deprivation
who were the control group in Bowlby’s 44 thieves study?
44 non-criminal but emotionally disturbed young people
what were the finding of Bowlby’s 44 thieves study?
12/44 thieves were affectionless psychopaths and 12 of those experienced maternal deprivation during the critical period. and 5 of the remaining 30 experienced deprivation.
in the control group 2/44 experienced deprivation
what is Bowlby’s finding not valid?
he used war-orphans with poor after cane and who were often from poor quality institutions, he also conducted the experiment leading to interviewer bias
what did Lewis’ replication find?
using 500 young people he found maternal deprivation did not predict criminality of future relationships giving Bowlby’s findings low reliability
what counter evidence is there?
Kiluchouci found that a pair of twin from Czechoslovakia isolated from 18 months to 7 years old experienced maternal deprivation but after being cared from by adults recovered
what supporting evidence is there?
Harlow’s monkey displayed anti-social behavior
Levy et al separated baby rats from their mothers and found that those separated for as little as a day experienced permanent effects on their social development
what is a criticisms of Bowlby’s research?
Bowlby muddled deprivation and privation