1.A psychologist studying human memory would like to examine the process of forgetting. One group of participants is required to memorize a list of words in the evening just before going to bed.Their recall is tested 10 hours later in the morning.Participants in a second group memorize the same list of words in the morning and then their memories are tested 10 hours later after being awake all day.The psychologist hypothesizes that there will be less forgetting during the sleep than during a busy day.

Answer the following items (a) - (k) based on the study description and the R output given above:

a.What is the independent variable?

b.What are the levels of the independent variable?

c.What is the level of measurement of the independent variable?

d.What is the dependent variable?

e.What is the level of measurement of the dependent variable?

f.What hypothesis test was conducted?

g.What is the calculated t-value?

h.How many participants were in the study?

i.What is the p-value given for the study?

j.Do we have a significant difference between the two conditions at the .05 level of significance? Explain.

k.Write an APA-formatted summary of the results.

\"'{r} t.test(asleep, awake, alternative "two.sided", conf.level = 6.95, var.equal = TRUE, paired = FALSE) Two Sample tutest data: asleep and awake t = 3.2522, df = 22, pvalue = 6.603653 alternative hypothesis: true difference in means is not equal to 0 95 percent confidence interval: 0.6638674 2.7294659 sample estimates: mean of x mean of y 14.66667 13.60606 \"'{r'} stasleep) stawake) [1] 1.370689 [1] 1.128152