3-22-11

3-22-11 - 3-22-11Btw Ss Design/independent group/randomized...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 3-22-11Btw Ss Design/independent group/randomized group (ch. 10 & 11)Single Factor (Factor is IV) only 1 IVoRandomized 2 group designoAdv.Simple to carry outRequires few Ss (good for money and time)No pretesting or categorization of Ss (do in matching-Ss design)Stats are relatively simple (t test)oDisadv.Provides limited amount of ino. About nature or function of IVoPresence/absence manipulation most common way to create two groups from one IVPresence of the IV is contrasted with the absence of the IVWhat is the experimental group? Control group?Experimental group group that gets the treatmentControl group What is the difference between random assignment and random selecting?Random assignment we are addressing and making sure we have internal validity by makingRandom selection when we take people from our population and randomly select them for our sampleAllows us to look at whether IV has an effect, but nit specific effectsNext step is to look at more or less of IV, will different IVs produce stronger (weaker) effect, what optimum amount...
View Full Document

This note was uploaded on 04/05/2012 for the course PSY 3213 taught by Professor Staff during the Spring '11 term at FSU.

Page1 / 3

3-22-11 - 3-22-11Btw Ss Design/independent group/randomized...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online