IB Psychology Guide (first assessment 2019)
This website is the most important one for all IB Psychology students! Everything is based on the this document!

English-Finnish Psychology Dictionary
Extremely useful website for checking psychological vocabulary

List of psychological theories
A Wikipedia page

How theories are used in psychology?
A summary of theories in general and the nature of theories in psychology

Psychology wizard
This is not an IB Psychology site, but contains good info on some studies.

25 famous psychological studies
Summary of famous psychological studies

IB Psychology by Travis Dixon
A website by another IB Psychology Teacher

IB Psychology by John Crane
A website by another IB Psychology Teacher