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Psychology as science. Starter (10 mins) What does the word Psychology literally mean? What is the definition of Psychology? Why do Psychologists experiment.

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Presentation on theme: "Psychology as science. Starter (10 mins) What does the word Psychology literally mean? What is the definition of Psychology? Why do Psychologists experiment."— Presentation transcript:

1 Psychology as science

2 Starter (10 mins) What does the word Psychology literally mean? What is the definition of Psychology? Why do Psychologists experiment on animals? What subjects does Psychology cross with? Where do they cross?

3 Psychology and Common Sense All blondes are thick Girls are more emotional than boys All men are cheats All Americans are fat Boys are better drivers than girls All students drink too much Teachers are always right Big feet big ……………shoes

4 Whats the difference between common sense and Psychology?

5 Group work How would we test the common sense questions in a scientific way.

6 Psychology and Common Sense All blondes are thick Girls are more emotional than boys All men are cheats All Americans are fat Boys are better drivers than girls All students drink too much Teachers are always right Big feet big ……………shoes

7 Karl Popper (1963) Popper characterised science as the application of a scientific method to gather data or evidence. This evidence is then used to test a hypothesis, then support is also provided for the theory. If the evidence does not support the hypothesis, the hypothesis is refuted. This may result in the theory being rejected.

8 Scientific Model TheoryHypothesisEvidence

9 Apply this to the model A psychologist puts forward a thery that all people with blue eyes have an extrovert personality. From this theory, a hypothesis could be made that people with blue eyes will score as extroverts on a personality questionnaire. The psychologist gives this questionnaire to 1,000 people with blue eyes and finds that only 550 score as extroverts. This finding refutes the hypothesis and therefore casts doubt on the theory.

10 Science practice Objectivity Empirical Objective observation Control of conditions Cause and effect


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