Table 5.

Factor loadings for the original Harari et al. (2013) MASYC model and the final MASYC-R model.

#	Item	Harari et al. (2013) model CFA results			Final MASYC-R model CFA results
		Negative reactions	Numerical confidence	Worry	Negative reactions	Numerical confidence	Worry
ORIGINAL MASYC ITEMS
1	Math gives me a stomachache.	0.85			0.80
2	When it is time for math my head hurts.	0.89			0.80
3	When it is time for math my heart beats fast.	0.64			–
4	Figuring out if I have enough money to buy cookies and a drink is fun.*		0.22			–
5	I like doing math problems on the board in front of the class.*		0.70			0.67
6	I like to raise my hand in math class.*		0.81			0.80
7	I like doing a math problem like this: 124 + 329*		0.41			–
8	I like being called on in math class.*		0.87			0.89
9	I get nervous about making a mistake in math.			0.53			0.60
10	When the teacher calls on me to tell my answer to the class, I get nervous.			0.74			0.80
11	I am scared in math class.			0.91	0.90
12	Getting out my math books makes me nervous.			0.81			–
NEWLY-DEVELOPED ITEMS
14	I get worried before I take a math test.						0.71
16	My heart starts to beat fast if I have to do math in my head.				0.68
17	I get nervous when my teacher is about to teach something new in math.						0.73
18	I get worried when I don't understand something in math.						0.64
21	I feel nervous when I am doing math.						0.89
	Latent correlation with negative reactions		0.60	0.92		0.62	0.90
	Latent correlation with numerical confidence			0.68			0.62

All factor loadings were significant at p < 0.001 with the exception of item 4, which was significant at p < 0.01.

^*Indicates than an item was reverse-coded.