Psychology

Developmental Psych

Harlow & the monkeys

1959

Supports Bowlby's evolutionary theory of attachment (ASCMI)

Mary Ainsworth's Strange Situation

1970

100 American middle-class children
A:22%
B:66%
C:12%

Curtiss

1977

Case study: Genie

Hodges & Tizzard

1984 - 1989

Long term effects of privation: children's home

Van Ijzendoorn & Kroonenberg: meta-analysis

1988

GB/USA/Israel/Germany/Japan/China/Sweden/Netherlands

Field et al.

1988

Day care: teachers rated children who had been in full time day care as more aggressive & assertive

Field et al.

1988

Day care: more co-operative play

Robertson & Robertson

1989

Case studies on short-term disruption of attachments. Eg. John

Takahashi

1990

In Japan, infants are rarely separated from their mothers as it is not considered culturally acceptable to do so. Children will appear more distressed and insecurely attached when separated as being left by their mother is completely alien to them.

Clarke-Stewart

1991

Day care: children have better social skills & social development

Clarke-Stewart

1991

Day care: children more likely to be aggressive

Grossman & Grossman: German culture

1991

German culture focuses on keeping some interpersonal distance between parents and children. Infants do not actively engage in proximity-seeking behaviour & so appears (perhaps incorrectly) insecurely attached.

Andersson

1992

Day care: children more sociable

Clarke-Stewart

1994

Day care implications:
*mixed age groups

Jackson

1994

Day care implications:
*key worker scheme

Campbell

2000

Day care implications:
*high adult:child ratio
*small sized groups
*well trained staff & low staff turnover

Belsky

2006

Day care: more problem behaviours/aggression/disobedience

Rutter

2007

Research on adopted Romanian and UK children before & after 6 months old