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Psychological Research II

by: Gerardo Little

Psychological Research II PSYC 202

Marketplace > Radford University > Psychlogy > PSYC 202 > Psychological Research II
Gerardo Little
GPA 3.67


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This 1 page Study Guide was uploaded by Gerardo Little on Monday October 19, 2015. The Study Guide belongs to PSYC 202 at Radford University taught by Staff in Fall. Since its upload, it has received 144 views. For similar materials see /class/224725/psyc-202-radford-university in Psychlogy at Radford University.


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Date Created: 10/19/15
PSYC 202 Psychological Research 11 EXAM 1 Study Guide Cozby METHODS Text Chapters 8 amp 9 Chapter 8 1 What is confounding of variables 2 What is meant by the internal validity of an experiment 3 How do the two true experimental designs eliminate the problem of selection differences 4 Distinguish between the posttestonly design and the pretestposttest design What are V39 00 gt1 9 HHHH MNHC p t A p t Ul ON the advantages and disadvantages of each What is a repeated measures design What are the advantages of using a repeated measures design What are the disadvantages What are some of the ways of dealing with the problems of a repeated measures design When would a researcher decide to use the matched pairs design What would be the advantage of this design What are the disadvantages The procedure used to obtain your sample ie random or nonrandom sampling is not the same as the procedure for assigning participants to conditions distinguish between random sampling and random assignment Defme and give an example of each of the types of experimental control used by scientists control manipulation and balancing List and def39me the three primary criteria for determining causality Brie y outline the logic of the independent groups design Brie y outline the logic of the repeated measures design Given the advantages and disadvantages of independent groups designs versus repeated measures designs when should you choose to use each What options do researchers have in balancing practice effects controlling for carryover in the repeated measures design List and de ne them Professor Foley conducted a cola taste test Each participant in the experiment rst tasted 2 ounces of Coca Cola then 2 ounces of Pepsi and nally 2 ounces of RC Cola A rating of the cola s favor was made after each taste a What is are the independent variables b What isare the dependent variables What is the subject design of the experiment Describe 3 control procedures What is the most serious potential threat to internal validity as described above ruse Dr Turk studied the relationship between age and reading comprehension speci cally predicting that older people will show lower comprehension than younger ones Turk was particularly interested in comprehension of material that is available in the general press Groups of participants who were 20 30 40 or 50 years of age read a chapter from a book by physicist Stephen W Hawking 1988 entitled A Brief History of Time From the Big Bang to Black H ales the book was on the best seller list at the time After reading the chapter participants were given a comprehension measure The results showed that there was no relationship between age and comprehension scores all age groups had equally low comprehension scores a What is are the independent variables b What isare the dependent variables


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