Kaij Flashcards
What was this study called?
“alcohol abuse in twins”
What was the aim?
To see if hereditary factors influence development of alcohol addiction
What research methods were used?
case studies, questionnaires, interviews and psych testing
What was used to identify participants?
Public records of alcohol abusers
How many pairs of participants were there?
174
How many of the pairs were identical twins?
48
How many of the pairs were non-identical twins?
126
Who were the participants?
All male, all Swedish
What did the participants have to do?
categorise alcol use on a scale of 1-5
How many of the identical twins were found to be in the same category as each other?
54%
How many of the non-identical twins were found to be in the same category as each other?
28%
How many of the chronic alcoholic identical twins were found to be in the same category as each other?
72%
What was the conclusion?
That hereditary factors are involved in alcohol use age and addiction
Why is self-reporting by participants unreliable?
Because they could be lying to give socially desirable answers
Can this study be generalised? Why/why not?
No, because they are all male and Swedish
