Supporters of determinism - an
individual's behaviour couldn't have
been different in a given situation if
they had willed it
Supporters of free will - an
individual's behaviour could
have been different in a
given situation if they had
willed it
Biological determinism - all behaviour
and thought is caused by the nervous
system and genetic factors
Internal determinism - belief in the
internal causes of behaviour eg.
internal biological factors and mental
processes are seen as causes of
behaviour
Instinctive needs (eat, drink, sleep) - can
choose when but cannot avoid the fact that
each of these behaviours are essential for our
survival; no choice as these behaviours are
determined
Controlling role of the different parts of the brain -
hypothalamus (small structure at the base of the
forebrain) controls many aspects of behaviour i.e
water and food intake, agressive responses; language
functions are predominately located in the left
hemisphere of the brain - Broca's area is involved in
speech production and Wernicke's area in the
understanding of speech
No amount of willing can help someone
with damage to either of these areas
overcome the devastating effect on
language
Hormonal system - research has implicated the
synthetic form of oestrogen in sexual preference and
behaviour; (Meyer-Bahlburg et al.) 7/30 adult women
whose mothers had taken the synthetic hormone to
prevent miscarriage reported some degree of
same-sex or bisexual interest; only 1 woman in the
control group of 30 women whose mothers had not
taken the synthetic oestrogen when pregnant reported
same-sex interest - sexual preference may not
necessarily be the result of free choice
Evolutionary forces - fight or flight response
by which animals and humans prepare them to
deal with environmental demands can be
explained from an evolutionary perspective;
some situations individual may respond by
freezing or fainting; behaviours are determined
Genes - numerous twin studies have pointed
towards a genetic predisposition in behaviours
such as depression and schizophrenia;
biological determinism - often advanced as an
argument for the absence of free will in
schizophrenia
Places limits on
behaviours beyond the
capacity of human body
i.e. flying
Incorrect to speak purely of
'biological determinism' - also
considers the interaction of
biology and the environment;
people are determined
biologically and environment
Psychic determinism - all thought and
behaviour is caused by unconscious forces
associated with the life and death instincts
Internal determinism
Humans are biologically determined by
strong inherent instincts of sex and
aggression and by repressed conflicts,
childhood experiences, wishes and memories
within the unconscious mind - mental activity
is a result of unconscious mental processes
Freud - no accidents as unconscious causes
can always account for them; people believe
they are free but free will is an illusion
Overdetermination - much of our
behaviour, thoughts and feelings
have multiple causes
Dreams - caused by many factors in the life of the
dreamer such as 'residue of the day' (superficial
memories), deeply repressed conflicts, unconscious
wishes etc.; caused implications in psychoanalysis
because one had to always search beyond the first
unconscious causes
Environmental determinism - all behaviour is under
the control of environmental stimuli and external
forces of reward and punishment
External determinism - behaviours a
result of the environment (behaviourist)
Research into social influence (Asch;
Milgram) demonstrates the power of the
situation and how social factors can have
strong causal effect on behaviour
Behaviourist approach (extreme environmental
determinism) - product of prior reinforcements
(positive and negative) and punishment; Skinner -
free will is an illusion; theoretical basis of
behaviourism lies in laboratory research involving
animals - humans are considered to be qualitatively
different (conscience-wise) and mechanistic
laboratory behaviour lacking ecological validity
Skinner - the successful conditioning of behaviour does not require any element of
free will, just consistent reinforcement; behaviour is moulded by agents of
socialisation (parents, teachers); no such thing as personal freedom and causes of
behaviour are often found in the environment
Evaluation
+ Determinism is compatible with the
scientific method - supports the
idea of psychology as a science
+ Determinism claims that our
behaviour is a result of prior
causes - predict and ultimately
control behaviour
- False assumption that accurate
predictions of behaviour are
possible; human behaviour is
uncertain