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. Author manuscript; available in PMC: 2023 May 21.
Published in final edited form as: Sci Stud Read. 2022 May 21;26(6):527–544. doi: 10.1080/10888438.2022.2077109

Table 2.

Means, standard deviations, and correlations for word features

Variable M SD 1 2 3 4 5 6 7

1. Mono 0.44 0.50
2. Poly Trans 0.30 0.46 −.58**
3. Poly NonTrans 0.26 0.44 −.53** −.38**
4. SPTR 2.51 0.39 −.13 .10 .05
5. Number of letters 8.11 1.80 −.10 .19 −.08 .39**
6. Frequency 46.43 9.47 .20 −.28* .07 −.40** −.20
7. Concreteness 3.12 1.22 .65** −.42** −.29* −.10 −.22 .04
8. Complex WR 0.66 0.21 .27* .03 −.34* −.59** −.22 .38** .33*

Note. M and SD represent mean and standard deviation. The mean of the monomorphemic, polymorphemic transparent and nontransparent can be interpreted as the proportion of the words that are classified as each. Mono = Monomorphemic; Poly = Polymorphemic; Trans = Transparent; SPTR = Spelling to pronunciation transparency rating; Complex WR = Complex word reading. Binary correlations are phi between Monomorphemic, polymorphemic transparent, and polymorphemic nontransparent; and binary-continuous point biserial between those predictors and the continuous variables.

*

p < .05

**

p < .01.