A college Communication professor is interested in determining if students level of public speaking anxiety diminishes over the course of the semester. To test this hypothesis the professor administers the Public Speaking Anxiety Scale (PSAS; Smith & Jones, 2020) on the first day of class (T-1) , during the mid-semester (T-2) , and on the last day of the semester (T3).

*Show calculations for LSD

1: What's the null (H₀) and alternative (H₁) appropriate for the research question.

2: Briefly summarize the results for the RM ANOVA, be sure to report and interpret the F-ratio, p, and Eta-square

3: Do you accept or reject H₀?

2: report and interpret the findings for Fisher's LSD test.

Student	T-1	T-2	T-3	Xm	K
A	8	6	7
B	6	4	5
C	5	5	7
D	7	7	2
E	7	4	5
F	3	1	2
G	10	6	4
H	10	7	8
Xg
X2g
Ng
Xtotal
X2total
Mg

ANOVA Table	SS	df	MS	F	P**	2
*SS Total =
*SS BT =
*SS Subjects =
*SS Error
* You must show your hand calculations for all SS.
**P for F calculator: See https://www.socscistatistics.com/pvalues/fdistribution.aspx

Fisher's LSD* =
MT1-MT2=
MT1-MT3=
MT2-MT3=