PSYCH 100 Lecture 7: Psychology Lecture 7: Nature in Human Behavior

• School: UMASS-Amherst
• Department: Psychology & Brain Sciences
• Course: PSYCH 100
• Professor: Tammy Rahhal

Document Summary

Some examples of things determined entirely by genetics: Thumb bending - how far back it goes. Males tend to have more straight thumbs. Hand clasping- which thumb goes on top tongue calisthenics-if you can roll or flip the tongue. Explain human behavior traits by examining the long term reproductive dis/advantages of said traits and behaviors. When you think of possibilities there"s only a small set of ways you can vary from someone. Have so much in common because similar environmental conditions. Different environmental pressures like climate can cause changes. When approached by hot stranger, 50% of men agreed to have sex with them and. Men more quick to interpret attention (such as a smile) as sexual intent. Women more likely to interpret as someone wanting to get to know you. Need to be picky in choosing a mate. Usually pick based on wealth, status, and power because those will protect the child that promotes her genes.