Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Anne insists on Yeti mission
S5E27
·
The Web of Fear Part 5
To
Doctor and Anne commit to Yeti mission
S5E27
·
The Web of Fear Part 5
Why These Connect
The narrative assertion
"Impressed with the sphere, the Doctor's next step is to get the sphere inside the Yeti, which causes Evans to balk and the Doctor and Anne to undertake the mission themselves."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.