PSYC 331 Lecture 8 -- Starting Stats

PSYC 331 Lecture 8 -- Starting Stats - PSYC 331 Lecture 8...

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1 PSYC 331 Lecture 8 Starting Statistics – Basic Concepts
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2 Overview By the end of this week’s lecture you should understand: Basic Terminology related to data collection What a Scientific Hypothesis is How we use Dependent Variables and Independent Variables The 4 basic Measurement Scales The differences between discrete and continuous variables and when to use each Why we care about reliability and validity The basics of statistical and summation notation
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3 Basic Terminology Define, Review, and Discuss: Statistics, data, datum, and data set Population Parameter Sample Statistic Sampling Error Variables and Constants Descriptive and Inferential Statistics Scientific Hypothesis and the Null hypothesis Hypothetical Construct(s) and Operational Definition(s)
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4 Variables – by research method (IV and DV) Correlational Method Predictor Variable (sometimes referred to as the IV) – used to make the prediction (e.g. SAT scores) Criterion Variable (sometimes referred to as the DV) – what you’re trying to predict (e.g. College Performance – 1 st Year GPA)
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This note was uploaded on 01/15/2010 for the course PSYC 331 taught by Professor Dianealonso during the Fall '09 term at UMBC.

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PSYC 331 Lecture 8 -- Starting Stats - PSYC 331 Lecture 8...

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