Unit 2 WJEC Psychology Questions with
Detailed Verified Answers
What is an aim?
⼀Answer:⼀ A general statement of what the researcher intends to
investigate
What is a confounding variable?
⼀Answer:⼀ a factor other than the independent variable that might
produce an effect in an experiment
What does debriefing mean?
⼀Answer:⼀ To inform the participants of the true nature of the study
and the restore them to the same state as they were beforehand.
Avoids ethical issues
what is a DV?
⼀Answer:⼀ The variable you measure
What is an ethical issue?
⼀Answer:⼀ Concern questions of right of wrong. Does the benefits
of the experiment outweigh the negatives
What is an experiment?
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⼀Answer:⼀ A research method where a casual conclusions can be
drawn because of a manipulated on an IV to observe the effect on the
DV
What is a hypothesis?
⼀Answer:⼀ A hypothesis is a statement that can be tested
What is an IV?
⼀Answer:⼀ variable that is manipulated
What does the term operationalise mean?
⼀Answer:⼀ Ensuring that the variables are in a form that can be
easily tested
What is a standardised procedures?
⼀Answer:⼀ procedures that are the same for all ppts in order to be
able to repeat the study.
What is valid consent?
⼀Answer:⼀ ppts must be given comprehensive information
concerning the nature and purpose of the research and their role in it,
in order that they can make an informed decision about whether to
participate.
What is external validity?
⼀Answer:⼀ the degree to which the investigator can extend or
generalize a study's results to other subjects and situations.
(repeatability)
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What is an extraneous variable?
⼀Answer:⼀ a variable other than the IV that could cause changes in
the value of the DV. (doesn't act as the IV like confounding variables)
What is internal validity?
⼀Answer:⼀ The degree to which an observed effect was due to the
experiment manipulation not confounding/extraneous variables
What is mundane realism?
⼀Answer:⼀ refers to how a study mirrors the real world
What does reliability mean?
⼀Answer:⼀ consistency (can the research be carried out multiply
times and get the same results)
What does validity mean?
⼀Answer:⼀ accuracy/legitimacy. does it represent reality
What does split half method mean?
⼀Answer:⼀ the questions are split in half and the same ppts answer
one set some time before the second set. If the scores of each half are
similar, it is said the the test is reliable
What does inter-rated/observer reliability mean?