Homosexuality: research to cure it?
Take Home Message: Psychology, like any other Science, must be put into its context
(moral, social, historical).
Psychology studies the mind and behavior using multiple levels of analysis and findings
do not always agre
Most people use only about 10% of their brain capacity.
People tend to be romantically attracted to individuals who are opposite to them
in personality and attitudes.
A child can have half a brain and still have normal intelligence.
The more people pr
The opportunity cost of leisure is the wage.
The Labor Supply Curve
An increase in W
is an increase in the opp. cost of leisure.
People respond by taking less leisure and by working more.
Things that Shift the Labor Supply Curve
Changes in tastes or atti
Nature vs. Nurture
Nature: contribution of our genetic heritage
Appearance is obvious - it runs in families
What about personality? Intelligence?
Nurture: contribution of the environment
How much does parenting style matter?
Can anyone be trained t
The Connection Between Input Demand & Output Supply
Recall: Marginal Cost (MC)
= cost of producing an additional unit of output
= TC/Q, where TC = total cost
Suppose W = $2500, MPL = 500 bushels
If Farmer Jack hires another worker,
TC = $2500, Q = 500 bu
Why is naturalistic observation difficult?
You have to wait around for a behavior to occur.
Observations are difficult. You have to decide what to measure and how to
measure it. What are you missing?
Surveys as Correlational Research
Why do surveys? A qu
What Makes a Study an Experiment?
Confounds - any difference between the experimental and control groups aside
Makes IV effects uninterpretable
Cause and effect - possible to infer, with random
assignment and manipulation of i
What are Neurons?
Neurons are the processors of the brain
Process information received from other neurons
Communicate results to other neurons
80 - 100 billion neurons in the human brain!
If a neuron was as thick as a penny, a stack of 8
As with monopoly, economic activity under monopsony is below the socially
optimal level, causing a deadweight loss.
Monopsonies are rare in the real world.
The Other Factors of Production
With land and capital, must distinguish between:
purchase price th
Freedman purports to offer away out of this dilemma
Ones offers truth to the patient but does not inflict truth
A doctor inflicts truth when she tells her patient the truth whether or not she
wants to hear it
A doctor offers truth when sh