Which would provide the best evidence for the cognitive explanation for depression? a finding that people show negative thoughts only after they become depressed a finding that biochemical imbalances lead to both depression and negative thoughts a finding that social rewards are not related to happiness a finding that people show negative thoughts before they become depr?

The correct answer is letter a. which is "a finding that people show negative thoughts only after they become depressed".

Cognitive Approach refers to the approach of psychology in terms of human behavior and thinking. In the situations given, when a person thinks about negative thoughts and ends up being depressed is considered to be the best evidence for evident depression.