Ch 2 Flashcards

(10 cards)

1
Q

Explain why we need scientific research to obtain accurate knowledge

A
  • 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
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2
Q

Explain the relationship between the scientific attitude and critical thinking

A

You should always question wether something is right

-curiosity, skepticism, humility and thinking critically

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3
Q

What is descriptive type of research ?

A

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

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4
Q

What type of research is experimental?

A

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
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5
Q

What’s correlational research?

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

What’s the placebo effect?

A

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

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7
Q

What’s random assignment ?

A

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

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8
Q

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

A

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.

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9
Q

What is the IRB?

A

Institutional Review board : review proposals for research that involves humans

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10
Q

What is the IACUCs?

A

Institutional Animal Care and Use Comitee: review animal experimental proposals

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