Could Norwegian mobilization prevent a German invasion?

Could Britain have prevented a German invasion by convincing Norway to mobilize fully?

Yes, in this counterfactual assessment full Norwegian mobilization would prevent German success without requiring a British occupation.

Full Norwegian mobilization is proposed as an alternative to a British occupation. A British force already waiting in Norway and a fully mobilized Norwegian defence are treated as two ways of denying Germany an easy entry. The assessment is that Germany would fail against either prepared defence. This remains a counterfactual judgment about a mobilization early enough to change the invasion's starting conditions.