Psychology Notes Lecture 9

Psychology Notes Lecture 9 - >.90 Can we have validity...

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Intelligence used to be measured based on size of skull and social class ect. “Poor people were less intelligent because if the poor were smarter then they would get rich” Aptitude: ability to learn, potential to learn, problem solving skills. This was NOT a measure of knowledge itself. It was meant to be unbiased and was the first intelligence test. Intelligence is not born with, or set. A single number cannot define a person's mental abilities. Mental abilities can increase or regress. Wechler made a test that was based on a normal distribution so that a 45 year old function like a 90 year old would not have a 200 I.Q. Many tests are not valid because they do not measure what it is they are meant to measure. There are fundamental flaws such as bias. Tests must be VALID, RELIABLE (consistent; r value of +.8 or
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Unformatted text preview: >+.90) Can we have validity without reliability. Consistence doesn't matter if it is meaningless. Translation through various cultures is rough because different cultures have different values. Different cultures call for different types of knowledge. Correlation in data does NOT lead to causation to do or believe something in particular. Comparability estimate shows how people are different based on their cultural, environmental differences, not by the genes! Even if genes do play a role in intelligence, heritable qualities do not write in stone how your particular genes will express themselves. You can always intervene against bad genes. Culturally biased test questions have been fixed. The bell curve book said that disadvantaged people could not avoid their fate (due to bad genes)....
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