UW-Madison PSYCH 210 - Basic Definitions Continued (5 pages)

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Basic Definitions Continued



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Basic Definitions Continued

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Lecture number:
2
Pages:
5
Type:
Lecture Note
School:
University of Wisconsin, Madison
Course:
Psych 210 - Basic Statistics for Psychology
Edition:
1

Unformatted text preview:

PSYCH 210 1st Edition Lecture 2 Outline of Last Lecture I Descriptive vs Inferential Statistics II Populations and Samples a Random Sampling III Terminology and Notation a Parameters and Statistics IV Types of Variables a Independent Variables b Dependent Variables c Attribute Variables d Random Assignment Test Outline of Current Lecture I Ways of Using Variables in Research a Correlational Method II Scales of Measurement a Nominal b Ordinal c Interval d Ratio Scale These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III Discrete vs Continuous Data IV Summation Notation Current Lecture I II Ways of Using Variables in Research a Correlational Method i Relationship between two Dependent Variables ii Ex Mental Fitness and Number of Word Games played 1 Correlation does not mean causation a There could be causality in the relationship but we just can t discern what it is b Experimental Method i One Independent Variable One Dependent Variable ii Ex Type of Audience 1 True Independent Variable this makes it experimental c Quasi Experimental Method i One Attribute Variable One Dependent Variable ii Ex Sex of Dog 1 Attribute Variable cannot randomly assign quasiexperimental a Essentially back to Correlational Method b Only difference i Correlational continuous data ii Quasi Experimental discrete data Scales of Measurement a Scales consider different characteristics of numbers b The type of scales used affect the statistics you can calculate c Types of Scales i Nominal 1 Categorize name or label 2 Ex 1 male 2 female 1 2 Nominal Data 3 Arbitrary assignment of numbers i e Numbers themselves have no meaning ii Ordinal 1 Still categorize 2 Rank Order 3 Ex Race Results 35s 1st st nd rd 1 2 and 3 are Ordinal Data not the actual data they represent III 37s 2nd 53s 3rd 4 Assignment does matter 5 Do not have equal intervals iii Interval 1 Category Both sets are still Equal 2 Rank Order



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