1F- Evaluating reaserch Flashcards
Accuracy definition
how close a
measurement is to the
true value of the quantity
being measured
True value definition
the value, or
range of values, that would
be found if the quantity
could be measured
perfectly
Precision definition
how closely a
set of measurement values
agree with each other
Systematic errors definition
errors in data that differ
from the true value of a
consistent amount
Random errors definition
errors in
data that are unsystematic
and occur due to chance
Uncertainty definition
the lack of
exact knowledge relating
to something being
measured due to potential
sources of variation in
knowledge
Repeatability definition
the extent
to which successive
measurements or studies
produce the same results
when carried out under
identical conditions within
a short period of time (e.g.
same procedure, observer,
instrument, instructions,
and setting)
Reproducibility definition
the extent to which
successive measurements
or studies produce
the same results
when repeated under
different conditions (e.g.
different participants,
time, observer, and/or
environmental conditions)
Validity definition
the extent to
which psychological tools
and investigations truly
support their findings
or conclusions
Internal validity definition
the extent to which
an investigation truly
measures or investigates
what it claims to
External validity definition
the extent to which the
results of an investigation
can be applied to similar
individuals in different
settings
Conclusion definition
a statement
that summarises the
findings of a study,
including whether the
hypothesis was supported
or rejected
