In particular, emerging positive frequency-dependent selection could be an important explanation for differences in cooperative behaviors among different species with similar population structures such as humans and chimpanzees.
Kuh et al. provided a possible explanation for differences in the associations of cognition with different measures of physical functioning, by suggesting that the "differential patterns of association found are consistent with the degree to which each is dependent on central nervous system function" (48, p. 38).
The use of such programs might offer a good explanation for differences between the level of efforts governments make in different nation states, as shown in the literature on the uptake of Local Agenda 21 [21].
The most "obvious" explanation for differences in IQ tests are environmental factors affecting a person's upbringing, he added.
Another possible explanation for differences among studies is the amount of time after menopause that women were evaluated.
The evolution of the leukemic clones might serve as a potential explanation for differences in relapse incidence.
Additionally, this model accounts for the cost of locating sub-optimal solutions, and provides an explanation for differences in the relative difficulty of square versus rectangular JSPs.
Perhaps the best example of the usefulness of the concept of ethnicity rather than race as an explanation for differences in performance levels is Beyond a Boundary (1963), C.L.R. James's classic study of the making of Caribbean cricket.
One explanation for differences in depression levels may have to do with the amount of emotional and practical support women receive at the time of diagnosis and during and after treatment.
Especially females showed no significant differences in their weights in 2014, hence we excluded differences in size as an explanation for differences in VTG levels (see Fig. 4).
Given the highly selective nature of migration and return migration, studies analyzing the effects of foreign experience using conventional survey approaches may fail to uncover the true explanation for differences in outcomes between returnees and non-migrants.
