A Health Researcher Had Conducted Trials Testing the Influence of Age

Multiple Choice

A health researcher had conducted trials testing the influence of age and cancer survival rates. She found a significant relationship between the two variables, with younger patients more likely to survive for two years following the completion of treatment than older patients. However, during the clinical trials she observed that a significant number of her older participants had good survival rates, irrespective of their ages and she suspected that their positive mental attitudes might also have an influence on their likelihood of survival. What sort of analysis should she conduct to explore this further?

A) Mediation
B) Moderation
C) Multi-Level Modelling
D) Multiple Linear regression