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Flashcards in Ch 2 Deck (10):
1

Explain why we need scientific research to obtain accurate knowledge

•facts vs. opinion/intuition
•many people can create errors
•many people could belive they are right and be over confident
•there could be a hindsight bias
•misperceiving meaning in randomness. People could pick only people who will help their experiment determine what they want it to determine again with bias

2

Explain the relationship between the scientific attitude and critical thinking

You should always question wether something is right
-curiosity, skepticism, humility and thinking critically

3

What is descriptive type of research ?

-no manipulation of variables
1. Case studies
2. Naturalistic observations
3. Surveys
4. Correlational studies
Trying to generalize from a population

4

What type of research is experimental?

Variables are manipulated and their impact is examined
-determines cause and affect.
-control group doesn't change while experimental group is changed.
-Independent variable is manipulated while dependent variable is the result of the change in the IV

5

What's correlational research?

Measures how two factors are associated
CORRELATION IS NOT CAUSATION
- strong correlation = .6 or greater
-moderate correlation=.5
-weak correlation= under .5

6

What's the placebo effect?

People's expectations or beliefs influencing or determining there experience in a given situation

7

What's random assignment ?

Method of experimental group assignment in which all participants have an equal chance of being assigned to either groups

8

What's the difference between longitudinal and cross sectional designs ?

Longitudinal groups are studied over a long period of time.
Cross-sectional is when you view two groups at the same time and compare them.

9

What is the IRB?

Institutional Review board : review proposals for research that involves humans

10

What is the IACUCs?

Institutional Animal Care and Use Comitee: review animal experimental proposals