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1 distinguish between simple random stratified random and cluster sampling2 why dont researchers who want to test
suppose you want to know how many books in a bookstore have only male authors only female authors or both male and
1 what is confounding of variables2 what is meant by the internal validity of an experiment3 how do the two true
1 distinguish between the posttest-only design and the pretest-posttest design what are the advantages and
1 what are some of the ways of dealing with the problems of a repeated measures design2 when would a researcher decide
the procedure used to obtain your sample ie random or nonrandom sampling is not the same as the procedure for assigning
design an experiment to test the hypothesis that single-gender math classes are beneficial to adolescent females
design a repeated measures experiment that investigates the effect of report presentation style on the grade received
professor foley conducted a cola taste test each participant in the experiment first tasted 2 ounces of coca-cola then
1 what is the difference between staged and straightforward manipulations of an independent variable2 what are the
1 what is meant by the sensitivity of a dependent measure what are ceiling and floor effects2 what are demand
1 why would a researcher have more than two levels of the independent variable in an experiment2 what is a factorial
1 describe an iv 3 pv factorial design2 identify the number of conditions in a factorial design on the basis of knowing
research participants read an eating diary of either a male or female stimulus person the information in the diary
the mean femininity ratings were higher numbers indicate greater femininity male-small meals 202 male-large meals 205
assume that you want 15 participants in each condition of your experiment which uses a 3 3 3 factorial design how many
1 what is a reversal design why is an abab design superior to an aba design2 what is a multiple baseline design why is
1 why might a researcher use a quasi-experimental design rather than a true experimental design2 why does having a
1 describe the threats to internal validity discussed in the text history maturation testing instrument decay
1 describe the interrupted time series and the control series designs what are the strengths of the control series
your dog gets lonely while you are at work and consequently engages in destructive activities such as pulling down
your best friend frequently suffers from severe headaches you have noticed that your friend consumes a great deal of
dr smith learned that one sorority on campus had purchased several macbooks and another sorority had purchased several
gilovich 1991 described an incident that he read about during a visit to israel a very large number of deaths had
the captain of each precinct of a metropolitan police department selected two officers to participate in a program