WJEC Psychology- Applied Research Methods questions with answers

WJEC Psychology- Applied Research |\ |\ |\ |\




Methods questions with answers |\ |\ |\




What is a longitudinal study? - CORRECT ANSWERS ✔✔A piece of
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research conducted over a long period of time. Case studies are
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normally longitudinal. |\




What is an advantage of longitudinal studies? - CORRECT
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ANSWERS ✔✔Good at controlling participant variables because
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study typically uses a repeated measures design (same person
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tested in various occasions)
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What is a disadvantage of longitudinal studies? - CORRECT
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ANSWERS ✔✔There is a problem of attrition as lots of people
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drop out.
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What is a cross-sectional study? - CORRECT ANSWERS ✔✔When a
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behaviour is focused on such as effects of age on health and one
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group of society is compared with another.
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What is a 'snapshot study' give example - CORRECT ANSWERS
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✔✔A behaviour in life at one moment in time across different
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groups of society. A Cross-sectional study is a 'snapshot study'
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What is an advantage of a cross-sectional study? - CORRECT
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ANSWERS ✔✔It can be carried out in the space of a few months=
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quick + cost-effective.
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, What is a disadvantage of a cross-sectional study? - CORRECT
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ANSWERS ✔✔Cohort effects can occur as a group of people who
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are the same age, for example, share similar experiences.
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What does an EEG machine do? - CORRECT ANSWERS
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✔✔Electrodes are placed on the scalp and electrical activity in |\ |\ |\ |\ |\ |\ |\ |\ |\ |\


different regions of the brain are recorded.
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How did Dement and Kleitman use an EEG machine? - CORRECT
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ANSWERS ✔✔Detected different stages of sleep. As people go to
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sleep their brain waves become slower. This pattern occasionally
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changes to become very fast + eyes dart under lids. If woken
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during REM participants more likely to remember dream.
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How is an MRI performed? - CORRECT ANSWERS ✔✔Magnetic
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fields cause the atoms of the brain to change their alignment
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when the magnet is on and emit various radio signals when off. A
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detector reads the signals and uses them to map structure of the
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brain.
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What is an fMRI? - CORRECT ANSWERS ✔✔This can look at both
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structures and which are active by measuring amounts of
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oxygenated vs deoxgenated blood in the brain. |\ |\ |\ |\ |\ |\




An advantage of an MRI machine - CORRECT ANSWERS ✔✔Gives
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detailed imaegs of the soft tissue in the brain e.g cartillage.
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