comm reviw notes

comm reviw notes - Comm review random sampling- what you do...

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

View Full Document Right Arrow Icon
Comm review - random sampling- what you do for an experiment. About how you pick people to participate in the study in general o randomization- selected from random sampling - experiments vs. surveys o advantages of experiments: temporal order is established you expose your subjects and then test them so you know that viewing came first relationships are established (correlations can be calculated with statistics) randomization eliminates 3 rd variables as alternative explanations of your results o disadvantages: generalizability can you generalize these findings outside the unique conditions of the experiments? Also has to do with sampling issues Construct validity Are you really measuring what you say you’re measuring? Does the viewing experience in the lab actually represent viewing in the home? o Surveys: surveys are a one time snapshot of a people’s self-reported attitudes and past behaviors - History of the Study of Media Effects o World War 1- war mobilization with flyers, posters, newspaper
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/10/2012 for the course COMM 1310 taught by Professor Mottet during the Fall '08 term at Texas State.

Page1 / 2

comm reviw notes - Comm review random sampling- what you do...

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