This plausibility is based on the notion that older siblings frequently are held responsible for their younger siblings and this repeated experience may lead early horns to develop a more internal locus of control than later horns.
onsistent with this expectation are the results of Crandall , Katkoy:7ky, and Crandall who found that among their older subjects , early borns scored more internally than later horns..
Unfortunately, no relationship between sibling status an6 locus of control was found
among their younger subjects