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identify the independent and dependent variables in the following descriptions of experimentsa students watched a
a few years ago newspapers reported a finding that americans who have a glass of wine a day are healthier than those
1 what is meant by the reliability of a measure distinguish between true score and measurement error2 describe the
1 why isnt face validity sufficient to establish the validity of a measure2 what is a reactive measure3 distinguish
take a personality test on the internet you can fi nd such tests using internet search enginesbased on the information
think of an important characteristic that you would look for in a potential romantic partner such as humorous
1 distinguish between participant and nonparticipant observation between concealed and nonconcealed observation2 what
1 what is a coding system what are some important considerations when developing a coding system2 what is a case study
devise a simple coding system to do a content analysis of print advertisements in popular magazines begin by examining
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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
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
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 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
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 interrupted time series and the control series designs what are the strengths of the control series