Evolution Flashcards
What did Buss and Shakkleford find
males made intrasexual threats and women verbal possession signals (MRS)
Why does this theory have face validity
Because it makes sense that men wouldn’t want to invest in children which is not theres
What did Schakkleford find
A positive correlation between females admitting infidelity and the use of MRS
What did Goetz and Schackleford find
A positive correlation between females admitting infidelity and being sexually coerced
What did cascardi and vivian find
jealousy was the most common cause of domestic aggression
Whats a positive application of this theory
Early indications of domestic violence (MRS) means family can be indicated almost immediately
Whats a problem with Cascardi and vivian as well as Shacklefords research
They are based on self reports
why does evolutionary theory say aggression occurs
It is adaptive to be aggressive as it aids survival for long enough for genes to be passed on successfully
why is infidelity a problem
males- don’t want to waste resources so compete for the best mate
females- don’t want to share resources as offsprings may not survive
why is sexual jealousy a problem
leads to:
Mate Retention Strategies
Cuckoldry
