EDPY 577 Week+2+Notes


 * __Week 2 Notes__**

Theory - > Hypothesis -> Data -> Verification
 * Science**

Theory Building Hypothesis generation

Forms of Data Collection
 * Observe Behavior
 * Assessing Skills
 * Gathering opinion, Attitudes, or other self-reponse
 * physiological response, reaction time
 * archival data

- ALL MUST BE Reliable and Valid

SECOND HALF OF CLASS - Worked through work sheet

MEAN (Average) MEDIAN (Middle Number) MODE (Most Common Score)

Standard Deviation Dispersion from the Mean

Sum of Square Roots of Deviation (SQRT)

Variance of Scores is Average Squared Deviation

To Get Standard Deviation you take the Square Root of the Sum of Squared Deviations.