Lecture 7: Methods in Psychology

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These flashcards cover key vocabulary and concepts from the lecture on methods in psychology, particularly focusing on data representation, descriptive statistics, and the interpretation of distributions.

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10 Terms

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Sample

Data from population

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Representative Sample

Small group of people whos characteristics are all the same as a larger population

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Random Sample

Everyone in pop has equal chance of being chosen

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Frequency Distribution

Graph showing how often each value occurs (bar graph of scores 1-10)

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Negatively Skewed Distribution

Not many low scores

<p>Not many low scores</p>
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Positively Skewed Distribution

not many high scores

<p>not many high scores</p>
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Descriptive Statistics

Mean and SD

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Central Tendency

Value near middle of distribution

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Variability

How scores differ from each other 1=low 10=high

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Range

Largest value - Smallest value