Debates in psychologyWatch
Bandura, Skinner for Behavioural.
Maslow and Rogers for Humanism.
You could also argue that certain behaviour is determined by biological conditions (disease, mental condition, neurotransmitters)
There's also been studies to proof determinism, by monitoring brains and asking participants to move their fingers. They can see that the brain reacted before the participant is aware they consciously chose to move their finger.