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in an experiment one group of research participants is given 10 pages of material to proofread for errors another group
in professor dres study the average number of errors detected in the print and computer conditions was 384 and 132
suppose that you work for the child social services agency in your county your job is to investigate instances of
1 what is a hypothesis what is the distinction between a hypothesis and a prediction2 what information does the
what is a variable list at least five diff erent variables and then describe at least two levels of each variable for
1 define operational definition of a variable give at least two operational definitions of the variables you thought of
1 what is the difference between the non experimental method and the experimental method2 what is the difference
the dictionary definition of shy is being reserved or having or showing nervousness or timidity in the company of other
consider the hypothesis that stress at work causes family conflict at homea what type of relationship is proposed eg
identify the independent and dependent variables in the following descriptions of experimentsa students watched a
1 what is meant by the reliability of a measure distinguish between true score and measurement error2 describe the
for each of the following identify whether a nominal ordinal interval or ratio scale is being useda the temperatures in
1 how does sample size affect the interpretation of survey results2 distinguish between probability and nonprobability
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 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
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 describe the value of a debriefing following the study2 if you were investigating variables that affect helping
1 write a debriefing statement that you would read to participants in the asch line judgment study p 1842 design an
assume that you want 15 participants in each condition of your experiment which uses a 3 3 3 factorial design how many