Why should harsh training methods be avoided when working with a Lakeland Terrier?

Answer

Harsh methods rarely work and can cause the breed to shut down or become oppositional

Due to their independent nature, harsh training methods are ineffective; they are better trained using consistency and positive reinforcement, as harshness can lead to the dog shutting down or resisting commands.

Why should harsh training methods be avoided when working with a Lakeland Terrier?
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