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PSY 1110 - Elementary Statistical Reasoning - Notes from Week 2

by: Logan Amon

PSY 1110 - Elementary Statistical Reasoning - Notes from Week 2 PSY 1110

Marketplace > Ohio University > Psychlogy > PSY 1110 > PSY 1110 Elementary Statistical Reasoning Notes from Week 2
Logan Amon
GPA 3.472
Elementary Statistical Reasoning
Susan Tice-Alicke

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About this Document

Hello everyone! These are my notes taken from the second week of class with detailed notes, terms + definitions, examples, and a few practice problems. See you next week!
Elementary Statistical Reasoning
Susan Tice-Alicke
Class Notes
25 ?




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This 3 page Class Notes was uploaded by Logan Amon on Saturday September 5, 2015. The Class Notes belongs to PSY 1110 at Ohio University taught by Susan Tice-Alicke in Summer 2015. Since its upload, it has received 199 views. For similar materials see Elementary Statistical Reasoning in Psychlogy at Ohio University.


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Date Created: 09/05/15
PSY 1110 Elementary Statistical Reasoning Notes from Week 2 Instructor Dr Susan TiceAlicke 08312015 09042015 0 v Experimental Desi n O I I The variable manipulated by the experimenter I The variable thought to in uence the DV dependent variable I The variable being measured EXAMPLE TEST QUESTIONS 1 A scientist conducts an experiment to test the theory that a vitamin could extend a person s lifeexpectancy 1 What is being measured 2 What is thought to in uence the Dependent Variable Answers at the bottom of documen t 0 I The group that receives one version of the IV independent variable I Treated just like the experimental group but receives zero of the IV everyone has an equal chance of being in either the experimental group or the control group I Minimizes preexisting differences EXAMPLE TEST QUESTIONS 2 use last weeks notes for additional guidance There are three di erent versions of an exam easy moderate and di icult and the teacher wants to see how the students do on each one What is the 1 Dependent Variable 2 Independent Variable 3 Scale of Measurement 4 Type of Variable 5 Type of Data Answers at the bottom of documen t 0 v Seven Critical components to a good news report of statistical studies I EX Ohio University s psych department has funding from the government 0 We need this so news reports aren t biased I EX If you were in an 0U psych studyexperiment you would most likely be in contact with gradundergrad students 0 We need this for the validity of a news report I EX Sand company study children who play in sand boxes and if they were selected through any organizations groups 0 We need this because different groups studied may react differently I EX running on a treadmill and giving the speed incline duration of time etc 0 We need this so a report can have all aspects of a study I EX An 0U psych study within an 0U laboratory 0 We need this so participants will respond in a certain desired way I EX A study between a situationstudy between 2 states 0 We need this to show differences between groups I EX iPhone specs boys like mathscience amp girls like art and English in school 0 We need this to show differences in our findings no matter how big or small 0 90 a measurement that is consistently off the mark in the same direction 0 Ex Scales Thermostats v a measurement that produces a consistent reproducible score time after time 0 Ex Tape measurer v a measurement that measures what is intended to be measured 0 Ex Radar gun hour glass Example Test Question Answers 1 Amount of Vitamin 2 Life Span 1 Exam Performance 2 Version of Exam 3 Ratio 4 Continuous 5 Categorical I hope you all have a fantastic Labor Day weekend


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