155 1896-1980 1930- 2010i-366 2012b-140 2012h-187 2014e-388 aging bf713h2362010 child cm3000 datacollection developmentalpsychology dictionaries educational educationalpsychology franze hh8591 history humandevelopment individualdifferences jean lifechangeevents longitudinalstudies maternalbehavior maturation(psychology) methodology motherhood nervoussystemphysiologicalphenomena neurobiology parenting piaget politicalandsocialviewspiaget psychologicalaspects psychology research researchdesign weinert