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. Author manuscript; available in PMC: 2019 Apr 12.
Published in final edited form as: Cognition. 2016 Aug 24;156:135–146. doi: 10.1016/j.cognition.2016.07.010

Table 10:

Hierarchical regressions predicting age of acquisition ratings. Control variables are entered in Step 1, contextual-level semantic variables in Step 2 and word-level semantic variables in Steps 3a, 3b, and 3c.

AoA Ratings
Step Variables R2 ΔR2 F
1 Word Frequency, Length, Percent Known, Contextual Diversity 33.69 33.69 1886.1***
2 Context Valence, Context Arousal, Context Concreteness 37.97 4.28 341.25***
3a Valence 38.71 .74 178.27***
3b Arousal 38.08 .11 27.1***
3c Concreteness 39.39 1.42 348.69***
*

p < .05,

**

p < .01,

***

p < .001.

Note: R2 and ΔR2 given as percentage of variance explained.