WJEC Psychology Component 2 with Answers
1. Aims A statement of what the researcher(s) intend
to find out in a research study.
2. confounding variable Any variable which varies systematically with
the independent variable that might poten-
tially affect the dependent variable and there-
fore ...
WJEC Psychology Component 2 with Answers
1. Aims A statement of what the researcher(s) intend
to find out in a research study.
2. confounding variable Any variable which varies systematically with
the independent variable that might poten-
tially affect the dependent variable and there-
fore confound the results
3. Debrief To inform the participants of the true nature
of the study and to restore them to the same
state they were in at the start of the study.
4. dependent variable The variable measured by the experimenter
5. Ethical issues Concern questions of right and wrong. They
arise in research where there are conflicting
sets of values between researchers and par-
ticipants concerning the goals, procedures
or outcomes of a research study.
6. Experiment A research method used by psychologists
which involves the manipulation of variables
in order to discover cause and effect.
It differs from non-experimental methods in
that it involves the deliberate manipulation of
one variable, while trying to keep all the other
variables constant
7. Hypothesis A testable, predictive statement. The hypoth-
esis will state what the researcher expects to
find out
8. independent variable Some event that is directly manipulated by
an experimenter in order to test its effect on
another variable - the DV
9. Operationalise Ensuring that variables are in a form that can
be easily tested.
, WJEC Psychology Component 2 with Answers
10. Standardised procedures A set of procedures that are the same for all
participants in order to be able to repeat the
study
11. Valid consent Participants must be given comprehensive
information concerning the nature and pur-
pose of the research and their role in it, in or-
der that they can make an informed decision
about whether to participate.
12. Control Refers to the extent to which any variable is
held constant or regulated by a researcher
13. External validity the degree to which research findings gen-
eralize beyond the specific context of the
experiment being conducted
14. internal validity The degree to which an observed effect was
due to the experimental manipulation rather
than other factors such as confounding/ex-
traneous variables
15. Mundane realism Refers to how a study mirrors the real world
16. Validity Refers to whether an observed effect is a
genuine one
17. Alternative hypothesis The hypothesis that states the expected re-
sults
18. Confederate An individual in a study who is not a real
participant and has been instructed how to
behave by the investigator.
19. Directional hypothesis States the direction of the predicted differ-
(one-tailed) ence between two conditions or two groups
of participants
20. Experimental hypothesis The term used to describe the alternative
hypothesis in an experiment
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