Question

Administrators are sure about the ineffectiveness of the Apple Orchard Preschool reading program. The average reading comprehension score is 20 for children of comparative age. The data below are reading comprehension scores from a sample of children from Apple Orchard Preschool. Scores range from 0 - 40 with higher scores indicating better reading comprehension. What can be concluded with α = 0.05?

id	reading
35 36 37 38 39 40 41 42 43 44 45 10 11 12 13 14 15 16 17 18	27 33 38 17 19 27 29 18 21 35 18 28 23 22 24 20 35 24 17 16

a) What is the appropriate test statistic?
---Select---naz-testOne-Sample t-testIndependent-Samples t-testRelated-Samples t-test

b)
Population:
---Select---readingreading comprehension scoresAdministratorsApple Orchard Preschoolchildren of comparative age
Sample:
---Select---readingreading comprehension scoresAdministratorsApple Orchard Preschoolchildren of comparative age

c) Input the appropriate value(s) to make a decision about H₀.
(Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.)
p-value =______ ; Decision: ---Select---Reject H0Fail to reject H0

d) Using the SPSS results, compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
d =___________ ; ---Select---natrivial effectsmall effectmedium effectlarge effect
r² = ___________; ---Select---natrivial effectsmall effectmedium effectlarge effect

e) Make an interpretation based on the results.

Apple Orchard Preschool has a significantly effective reading program.

Apple Orchard Preschool has a significantly ineffective reading program.    

Apple Orchard Preschool reading program does not have a significant effect.

Answer 1