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The first adoption study on schizophrenia published in 1966 by Leonard Heston demonstrated that the biological children of parents with schizophrenia were just as likely to develop schizophrenia whether they were reared by their parents or adopted [5] and was essential in establishing schizophrenia as being largely genetic instead of being a result of child rearing methods.
The Minnesota Transracial Adoption Study examined the IQ test scores of 130 black or interracial children adopted by advantaged white families. The aim of the study was to determine the contribution of environmental and genetic factors to the poor performance of black children on IQ tests as compared to white children.
The Sibling Interaction and Behavior Study (SIBS) is a study of >600 adoptive and non-adoptive families. [1] The adoption study design allows one to disentangle the environmental and genetic influences on a phenotype, including psychological phenotypes. The assessment wave structure and protocol are similar to the Minnesota Twin Family Study ...
She established core resources for the study of development, including the Minnesota Transracial Adoption Study and the Minnesota Adolescent Adoption Study. She served as president of multiple societies including the Association for Psychological Science and was honored with multiple awards including the James McKeen Cattell Fellow Award. She ...
The Minnesota / Texas Adoption Research Project (MTARP) is a longitudinal research study that focuses on the consequences of variations in openness in adoption arrangements for all members of the adoptive kinship network: birthmothers, adoptive parents, and adopted children, and for the relationships within these family systems.
In adoption studies, selective placement refers to the practice by which adoption agencies tend to deliberately match certain characteristics of an adopted child's adopted parents with those of his or her biological parents. When this occurs, it results in a correlation between environments between biological relatives raised in different homes.
The study, which was published in the journal Plos One, also stated, "Dogs housed in shelters can face chronic levels of stress due to noise, confined kennel spaces, and limited access to social ...
Importantly, he initiated the Texas Adoption Project in 1972, recruiting over 500 adopted children, their biological mothers, and adoptive parents and sibs. This ongoing longitudinal study has led to numerous publications shedding light on human development and the roles of genes and environments in behavior [1]