Chp 3. research hypothesis FINAL

Steps in research

1. Idea

2. Lit review

3. Laws, theory, hypothesis

Ideas for research

• research plan

• Past research

• Limits and conflicting results

Primary source

Full research paper with data and results

Secondary source

Textbook and article review

Law

Always true

Theory

Predicts patterns

Inductive method

Start with facts to generate theory

Detective method

Start with theory to make predictions

Good theory

General, Parsimonious, falsified

General

Explains situations

Parsimonious

Simple and clear

Falsifiable

Proven wrong

Tautological

Variables can be measured/vague

IV

Change on purpose (cause)

DV

What you measure (effect)

Construct validity

Did you measure things the right way?

External validity

Do results apply to other populations?

Statistical validity

Number support

Internal validity

Did a cause B and nothing else

Covariance

A changes, B changes too

Temporal precedence

A happens before B

Internal

No other explanation