the biological approach Flashcards
whats a genotype?
an individuals genetic makeup that you get from brith e.g eye colour
whats a phenotype?
-the contribution of someones genotype and the environment
why do psychologists study twins?
-provides them with a natural experiment design so no need for additional groups
what did MCGUFFIN find?
the concordance rate for depression in MZ twins was 46% and for DZ twins it was 30%
-suggesting depression isn’t just completely down to genes,the environment must play some role
why have animals evolved to be the way they are?
due to pressure to survive and reproduce
how does a hormone and neurotransmitter travel?
hormone-via bloody
neurotransmitter- via central nervous system
what are the strengths of the biological approach?
- sceintific methods are used
- leads to practical applications
what are the weaknesses of the biological approach?
- overly simple
- could be deemed deterministic