1. Explain why there is a need for longitudinal research to further explore changes in humor across the lifespan. What are the limitations of cross-sectional research? 2. The study of humor...

1. Explain why there is a need for longitudinal research to further explore changes in humor across the lifespan. What are the limitations of cross-sectional research?

2. The study of humor development in childhood and across the life span offers many interesting research opportunities. Although many studies have examined the role of cognitive development in the comprehension and appreciation of “canned”