Answer:
all of these.
Step-by-step explanation:
Psychology can be defined as the scientific study of both the consciousness and unconsciousness of the human mind such as feelings, emotions and thoughts, so as to understand how it functions and affect human behaviors in contextual terms.
This ultimately implies that, psychology focuses on studying behaviors and the mind that controls it.
Thinking can be defined as a cognitive behavior or mental process which typically involves manipulating information, forming a concept, solving a problem, reasoning and making decisions, so as to create psychological associations, mathematical expressions, formulas, laws and models.
Hence, thinking enables individuals to perform the following;
I. Balance a checkbook.
II. Create computers.
III. Understand mathematical formulas.