McKeering and Pakenham (2000) were interested if parenting impacted mothers versus fathers differently with respect to child care and feeling of generativity. Participants consisted of cohabiting parenting with at least one child who was 2-years of age or older. Both parents completed a separate questionnaire once. The researchers grouped the questionnaire responses by either preadolescent and adolescent children. Reference McKeering, H., The ____________ variable is manipulated by the researcher, while the ____________ variable is used to measure the results.
a) Independent; dependent
b) Dependent; independent
c) Control; experimental
d) Experimental; control