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Methods for investigating the brain:…read more

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Method for What it is Advantages Disadvantages
Investigating
the brain
PET (Positron Where a radioactive chemical, such as glucose, is Expensive
Emission injected into the bloodstream of an individual. The Results aren't to easy to
Tomography) head is then put into the scanning machine and the interpret e.g. the brain is
emission of radioactivity from each part of the always active so not
brain is measured.…read more

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Limited sample of the
population (either ill or
old)
MRI Scan (Magnetic resonance imaging) provides real time Show clear images of the hard to analyse as is
images of brain responses to certain stimuli brain and specific to each person
can "slice" the brain to
get a view of certain
areas…read more

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Genetic What Bio-psychologists Methods for Evidence to Support Evidence that
Influences on believe/what it does Investigating These Contradicts
behaviour
Androgens An androgen is a compound that Testosterone is supposed
(Testosterone stimulates or controls the increase levels of
in particular) development and maintenance of male aggression, which is why
characteristics in vertebrates by binding males are considered to
to receptors. Testosterone is a steroids be more aggressive than
hormone that is secreted mainly in the females.
testes of males and the ovaries of Lab/field experiments
females.…read more

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Key approaches to Psychology:
Behaviourist Social Learning Cognitive Psychodynamic Humanistic
theory
Key Ideas "All behaviour is learned "All behaviour is learned "The mind is like a We are animals, driven Every person has their
from the experiences a from the experiences a computer" only by by basic biological own unique way of seeing
person has in their person has in their studying mental instincts. Becoming a the world and their
environment" due to environment" processes can we person (i.e.…read more

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Types of Lab experiments: Observational studies Interviews: Kohlberg Case studies Qualitative methods:
Research Pavlov (Dos) Bandura Lab experiments (gender theory) Hypnosis Informal interviews, open
they would (bobo dolls) Observations Dream analysis questionnaires, case
Little Albert Lab experiments studies IRR (Inter rater
do reliability)
Strengths The approach is Used the Adopts scientific Made the Case Study Is optimistic about
scientific scientific method procedures to method popular in people, since it
Animals other than of develop and test psychology recognises the
humans can be experimentation theories using…read more

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Weaknesses The behaviourist Doesn't take into Ignores biology Case Studies - He focus on
approach has been account the role and influence of Subjective / experience (here
criticized because of biology and genes.…read more

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