Chapter One: Thinking Critically with Psychological Science
I: Need for psychological Science
III: Correlation Research
IV: Experimental Research
V: Statistical Reasoning
FAQ about Psychology
Psychology is a science that studies behaviour, and mental processes. We study how we
think, we feel, and behave. Everything about humanities. It’s exciting, fun, it’s a science!
Scope: Psychology is beyond therapy. Every single aspect of life you can think of,
psychology is involved. Psychologist are either doing research or using psychological
Microsoft hires psychologist to design websites because of perception.
hire psychologists , cognitive psychologists, sound perceptions, mine sweepers.
Transportation systems (planes, trains) hired to investigate why the plane crashes.
are hired to investigate human error.
I. Need for psychological Science
A.1 Limits of Intuition (Why do you we need science?)
Intuition, as important, as valuable, can lead to error in our judgment. Can be misleading;
take us down the wrong path, that’s why we need science. Listen to intuition but we still
A.2 Limits of common Sense
The problem with common sense is: it comes after the fact. The result of experience
develops as a result of knowledge and experience. It comes AFTER. That’s why we can’t
use it. We have to go through experience, learn from it, then we can use common sense
towards similar situations. Result of knowledge, rather than the generator of knowledge.
Hindsight bias (I knew it all along phenomenon): (ex: sept 11) our tendency as human
beings, once we know all the facts about the situation, all there is to know, know how to
end it, the conclusion, know everything, then the conclusion is very evident to us.