Life-span Developmet

Short Answer
1.<Tab/>Describe how the cross-sectional research design differs from the longitudinal design. What do these two strategies have in common?
A cross-sectional research design is a research method in which groups of participants of different chronological ages are observed and compared at a given time; longitudinal design is a research design that the same participants are observed repeatedly, sometimes over many years. The difference that a cross-sectional research design unlike longitudinal design is that cross-sectional design uses participants at certain age, a…