Donna Was Studying Her Research Data and Said to Fellow

Multiple Choice

Donna was studying her research data and said to fellow researcher Carl that she believed she had discovered a causal relationship.What would Carl expect Donna to provide as support for her assertion?

A) that Donna's data included a single observation of an event that followed another and appears to be causally connected
B) that Donna's theoretical explanations were based on time-honoured beliefs about what causes what
C) that two variables in Donna's data had occurred simultaneously without any impact from other causes
D) that two variables in Donna's data were associated sequentially and nonspuriously,and she could explain how the causation would happen