What do you say to yourself or to others about yourself? Give yourself positive messages. For example: 'I can succeed', 'I’m good at …', 'I passed my previous assignment so I can pass this one too'. Make a list of things you’ve done successfully in the past. Think about how you achieved those things and use those techniques again.
If you don’t understand new information, sometimes you’ll feel bad and may think it is your fault. This can be a barrier to your understanding. When you feel like this stop and take a break. This will help your emotions take a step back, and give you the chance to clear your head.