PSY 2020 E1 Review

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What does this picture show? Options: High accuracy, low precision; Low accuracy, high precision

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High accuracy, low precision

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Choose the correct independent and dependent variable: IV: Nutrition (water/minerals) DV: Green/dying leaving (counts)

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IV: Nutrition (water/minerals), DV: Green/dying leaving (counts)

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Existing data suggests new problems for theory; leads to refinement of existing theories and provides evidence. What is this process called? Options: Research-Then-Theory, Validity, Rationalism, Theory-Then-Research

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Research-Then-Theory

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Validity is

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The extent to which your variables measure what they are intended to measure.

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The “what”; a loose definition of what is being measured; theoretical

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Conceptual definitions/variables

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Categorical/Nominal Scale

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Variables collected as “categories”

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Ordinal Scale

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Variables collected using rank ordered numbers; intervals may be unequal from number to number

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Interval Scale

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Variables collected using numerals representing equal intervals; no true “zero” (0) point

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Ratio Scale

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Variables collected using numerals that represent equal intervals/distance; have a true “zero” (0) point

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Components of empirical articles: Abstract, Introduction, Method, Results, Discussion, References

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Abstract, Introduction, Method, Results, Discussion, References