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RESEARCH METHODS
EXPERIMENTS
CONTROL OF VARIABLES
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Created by
Carys Evans
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What is randomisation?
use of
chance
when
designing
investigations
to
control
for
effects
of
bias
what is standardisation?
using
exactly
the
same
formalised
procedures for
all
participants in a research study, otherwise
differences
become
EVs
what is counterbalancing?
used to deal with
order
effects, sample
divided
in
two
, one
half
complete
one
condition
first
other
half
complete the other then then
swap
What is random allocation?
the
allocation
of
participants
to
conditions
in an experiment
