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Compare and contrast: Experimental vs. non-experimental meth

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Katie Cartwright

on 5 October 2014

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Transcript of Compare and contrast: Experimental vs. non-experimental meth

Methods of Research
Experimental method
HYPOTHESIS
Non-experimental method
RESEARCH QUESTION
Compare and contrast: Experimental vs. non-experimental methods of research in psychology
Examining the similarities and differences between these two methods in psychology.
TYPES OF EXPERIMENTS
predicts the relationship between
the independent variable and the
dependent variable.
It is conventional to formulate
a null hypothesis (stating that
the IV will have no effect on the
DV.
laboratory experiments: "strict control of variables in a laboratory experiment, and this means that such experiments are easier to replicate" (Pamoja p.27).
field experiments- these take place in the natural environment, however the IV is still manipulated.
natural experiment: researchers have no control and therefore cannot manipulate IV.
Considerations
demand characteristics
researcher bias
participant variability
artificiality
correlation vs. causation
INDUCTIVE VS. DEDUCTIVE
first, gather data.
use this data to draw conclusions.
hypothesis tested against gathered evidence, conclusions determine whether the hypothesis is correct .
A
research question
is open ended. It invites new evidence and explanations.
GOALS
to describe meanings of the events; NOT to identify cause and effect relationships.
METHODS
interviews
case studies
observational research
participant observation
naturalistic observation
Both of these methods seek to find relationships between variables.
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