Psychology term paper topic should be chosen in the same manner as any other subject's thesis. Not long ago choosing a subject came naturally to a person and he used to choose a subject based on his interest area. But these days it is a harder task than writing the entire assignment. There are many good journals related to this field. One should read these in order to get new ideas and latest information in what is happening in this field.

To arrive at a perfect subject to write upon, the first step is to indulge in brainstorming in order to generate original and new ideas. So read a few books and journals belonging to this field of study and try to relate some ideas taken from these to your own preferences to arrive at an excellent subject for your assignment. You can judge whether your topic is optimal or not by analyzing the following:

Is it of interest to you or not. If the subject interests you then you would be able to write it with more enthusiasm, which would affect the quality of your assignment positively. But your interest in a particular subject does not guarantee the interest of the reader as well, in that subject. You have to be exemplary with your writing in order to make a subject of your interest interesting to others. The best way is to choose a topic that amalgamates both your preferences and a current hot issue in debate.
Does the subject generate uniqueness or contradiction? If yes then it will draw reader's attention.
Is the subject in compliance to the instructions given by your tutor?
Does the subject give you enough scope to present your original viewpoints?
If you get a satisfactory answer to most of these above-mentioned questions then it means that you are going in the right direction as far the selection of the subject is concerned. You should understand that your subject is not a good one

When the subject is too controversial,
When the subject is very common or general, or
When it is difficult to get enough research material on the subject.
Your subject should have focus. Suppose you have chosen a subject called ‘psychological problems in children'. This is a very broad subject. Narrow it down to a more specific aspect of this subject. There are many problems that children suffer from. Choose a problem that you are confident to write about. It can be anything from dyslexia to false memory. Write on these specific issues to leave an everlasting effect.

Psychology term paper topic can be narrowed down from the broad areas like careers in this field, experts of this field or experiments done in this field. Decide what would the format of your assignment be. It can be a literature review, critical analysis of a journal article or book, analysis of a case study created by you, an experiment or study carried by you or a research analysis. If you are sure about the format deciding an appropriate subject would be easier.