What is the type of statistical test you would use in this study? _____________________ Why do you use this type of statistical test? ____________________________________ What is the I.V.? ____________________ What is the D.V.? _____________________
A Social Psychologist wants to test the hypothesis that 6 year olds who are only children are more shy than the general population of 6 year old kids. Based on extensive previous studies it is known that the average amount of time it takes for a 6 year old to first say hi to another, unknown 6 year old placed together in the same room is µ = 25 seconds, with σ = 5.6 seconds. The Psychologist obtains a random sample of n = 10 only children and places them in a room with an unknown 6 year old and measures how long it takes for them to say hi.
What is the type of statistical test you would use in this study? _____________________
Why do you use this type of statistical test? ____________________________________
What is the I.V.? ____________________ What is the D.V.? _____________________
Use the four steps of hypothesis testing. (alpha = .05, two tailed test) Include an effect size measure if appropriate. Write summary in APA format.
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