Cross-Sequential Design- Choice a Researcher Finds That After Completing All

Multiple Choice

Cross-sequential design- choice A researcher finds that after completing all three analyses in the Most Efficient Design,the 50-year-olds differ from the 60-year-olds in two of the three analyses.To conclude that age was a factor in producing these results,which design would need to show no significant effects?

A) Time-sequential
B) Cohort-sequential
C) Age-sequential
D) Cross-sequential