D Question 21 8 pts 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 u = 25 seconds, with o = 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 your summary in APA format