5 research methods

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5 research methods

Case study

types of explosive volcanic eruptions

involve few individuals

rely on descriptive infromation

when experimental studies not done

understand social, familial factors

detailed contextual view

in-depth studies

biographical data

collecting, examining observations

descriptive study

Survey

the mercalli earthquack scale

descriptive not explanatory

maybe inaccurate

self report method

strenghts

collecting data on behavioral aspects

used in social natural sciences

used on large number of subjects

self-report

data collected through interviews

no direct observation

Naturalistic observation

sex differences in children risk - taking behavior

no controlled conditions

observing behavior without disturbing it

takes time

validate theoretical concepts using nature

limited lab setting

observed in normal state

subjects not directly interfered

takes prolonged period

nonexperimental approach

Experimental

Stanley Milgram Experiment - Will people obey orders, even if clearly dangerous?

lab setting highly controlled

only when practical and ethical

keeping all variables constant

highly controlled procedure

cause, effect relationships

description

dependent variables (measured for change)

highly controlled conditions

independent variables (changable)

Correlation

example

risk factors for substance abuse

limitations

systematic realtion

not prove causation

strengths

unethical to manipulate

immpractical

prediction bases

defienition

summarizing data

variables not manipulated

non-experimental