Two-Way ANOVA: 2x3

2x3 Factorial ANOVA: Independent Samples (n per sample up to )

The logic and computational details of this test are described
in Chapter 16 of Concepts and Applications.

Data Structure

	B₁	B₂	B₃
A₁	A₁B₁	A₁B₂	A₁B₃
A₂	A₂B₁	A₂B₂	A₂B₃

As illustrated in the adjacent table, the data structure for this analysis allows for two levels of variable A, laid out in the form of rows (A₁ and A₂), and three levels of variable B, laid out in the form of columns (B₁, B₂, and B₃).

Procedure:

In the table that follows, labeled "Data Entry," enter the values of A₁B₁, A₁B₂, etc., into the designated text fields within each group. Pressing the "tab" key after each entry will take you down to the next text field in the group.
After all values have been entered in this fashion, scroll down to the button labeled "Calculate" and click it.
If you wish to perform another analysis with a different set of data: click the "Reset" button if the largest sample in your new set of data does not exceed ; click the "Reload" button if the size of any of the samples in your new set of data is larger than .

If you are working from a Windows platform, you might find the text fields in the various tables appearing and disappearing somewhat erratically. The way to fix this is to scroll all the way down to the bottom of the page, and then all the way back up to the top.

Data Entry

	B₁	B₂	B₃
A₁
A₂

Table of Means: Cells, Rows, Columns, and Total

	B₁	B₂	B₃	Rows
A₁
A₂
Columns

ANOVA SUMMARY

Source	SS	df	MS	F	P
bg
rows
columns
r x c
wg
Total

bg = between groups; wg = within groups (error)

Printable Report—for Netscape Navigator 3.0 or later and Internet Explorer 4.5 or later. Do not click this button if you are using a version of Internet Explorer earlier than 4.5. [The browser you are now using is .]

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