“…As to the other measure of intentional infant behavior, Degree of Intentionality, reliability measures will be given for the two components of the measure, Intensity of Attention and Behavioral Coherence, as well as for the Degree of Intentionality as such (i.e., the sum of the two component scores). This measure is the most important part of the method developed here, and derives from the theoretical arguments presented by Vedeler (1987Vedeler ( , 1991. As a computational method, the intraclass correlation @' ) will be used, in order to check for observer bias (Suen & Ary, 1989, p. 120, 132).…”