Mindreading Quality Versus Quantity: A Theoretically and Empirically Motivated Two-Factor Structure for Individual Differences in Adults’ Mindreading.

This research provides some indication that mindreading (or "theory of mind") quantity (measured as frequency of mental state terms) and mindreading quality (measured as response appropriateness) may be distinguishable constructs in the structure of individual differences in the mindreading of adults who already possess core mental concepts.