Advantages of using scientific methods in psychology

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What is the first advantage of using a scientific method?
that the findings are high on reliability
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What happens if the research is repeated what should occur?
the same findings should occur, due to standardized procedures and environments
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For example, Milgram's obedience research has been what?
repeated many times
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What did the results consistently show?
about 65% of people obey authority figures
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What does this suggest?
scientific methods is beneficial because the findings will be consistent and replicable
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What can scientific methods be?
high on internal validity
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What is the use of standardised, double blind procedures mean?
mean scientific methods is advantageous
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why?
researcher bias is minimised
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For example, Buss' study what?
neither pps nor native researchers knew about the 5 hidden characteristics that were being evaluated
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no clues could have been what?
given to pps and demand characteristics would have been reduced
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This suggests what?
scientific method tests what it aims to test, making findings beneficial
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What is the third advantage is the findings are what?
high on objectivity
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This is because the scientific method involves what?
control of confounding variables, often in lab conditions
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For example, what were Loftus and Palmer able to identify?
the effect of a verb on their pps estimations of the speed in a lab
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Where all pps had experienced?
the same clips of the crashes, but different verbs produced different estimates
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What does this mean?
they could objectively question the reliability of eye witness testimony, revolutionising the justice system
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Thus using what?
a scientific method is benefitical because cause and effect can be established, leading to applications
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What is the fourth advantage?
scientific methods produce quantified data in the form of numbers and statistics
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Why is this beneficial?
comparisons and predictions can be made
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What is statistical testing enable?
one to work out the probabilty of behaviour occuring in future
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For example?
Bennett- Levy were able to compare fear and nearness ratings (questionnaire 1)
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compared to what?
ugly, speedy and slimy(questionnaire)
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Thus use of a scientific method, allowed them to what?
predict predisposition to phobias of animals which could be treated with therapies such as systemic desensitisations
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What is the last advantage ?
scientific methods produce findings which are reductionist and deterministic
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From a scientific point of view these characteristics are?
Positive
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This is scientists believe that the best explanations of behaviour are what?
the simplest as in Occam's razor
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Scientists also favour explanations?
which are deterministic because they like to know the causes of behaviour which can then be predicted and controlled
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For example?
Rahe's research with sailors concluded that illness is postively correlated with stressful life events rather than other factors
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Which is what?
reductionists and deterministic therefore good science
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Therefore, information, from these scientific methods could be?
useful through practical applications
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What happens if the research is repeated what should occur?

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the same findings should occur, due to standardized procedures and environments

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For example, Milgram's obedience research has been what?

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Card 4

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What did the results consistently show?

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What does this suggest?

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