“…Many of these instrument builders began with one of the original instruments, and factor‐analyzed the items in an attempt to verify the nine dimensional structure (e.g., Presley & Martin, 1994), or augmented the items in minor ways to more fully assess the structure (e.g., Lerner, Palermo, Spiro, & Nesselrode, 1982). As this kind of research has accumulated, it has become clear that some of the Thomas and Chess dimensions have held up under factor analysis, while others have not (Ball, Pelco, Havill, & Reed‐Victor, 2001; Presley & Martin, 1994).…”