Figure 1.

(A) The classification of research according to answers on two questions in Pasteur’s quadrant by Stokes [18]. The figure is redrawn from Figures 3–5 in [18], p. 73. The names of the eminent researchers Bohr, Pasteur, and Edison are meant to illustrate the different categories of research distinguished in this classification system. (B) The dynamic relationships between the different research approaches, redrawn from Figures 3–7 in [18], p. 88. Figures modified and reproduced with permission of the copyright owner.