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paper 2
research methods
control + pilot studies
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Cards (5)
ways to improve control:
random allocation
counterbalancing
randomisation
standardisation
reducing demand characteristics
reducing investigator effects
demand characteristics- when participants may work out the
aim
of the study and
change
their
behaviour
types of demand characteristics:
social desirability bias
( to appear better)
the
‘please
U
effect‘
the
‘screw
U
effect’
investigator effects- a type of
confounding
variable,
cues
from the
investigator
that
encourage
participants to
behave
in a
particular way
pilot studies- a
small scale trial run
of the investigation to check for the
method
this saves
time
and
money.
there could be:
ceiling effect-
too
easy
tasks
floor effect-
too
difficult
tasks