Key points are not available for this paper at this time.
Marian Radke Yarrow, John D. Campbell, Roger V. Burton, Recollections of Childhood a Study of the Retrospective Method, Monographs of the Society for Research in Child Development, Vol. 35, No. 5, Recollections of Childhood a Study of the Retrospective Method (Aug., 1970), pp. iii-iv+1-83
Yarrow et al. (Sat,) studied this question.