I believe you are looking for a school of philosophy instead of psychology. That belief is called emergence and more specifically, the idea of the whole being larger than the sum of its parts is a characteristic of an idea called strong emergence.
Psychology is divided into more parts than philosophy. (Originally was psychology a part of philosophy however. See for example Mind-Body problem.)
structuralist.
Structuralism
To find the larger part, you would divide 100 by the sum of the ratio parts, which is 64 + 1. Therefore, the larger part would be 100 divided by 65, which equals approximately 1.538.
Since the whole parts are equal, take a look at the FIRST DECIMAL DIGIT - the first digit after the decimal point. The larger number is the one that has the larger digit in this position.
Behaviorism.
The difference is in the approach. Non Western psychology believes in being interconnected and holistic in healing. Western psychology believes in the individual and uniqueness. Non western psychology believes in being apart of a group and the harmony within that group.
Gestalt psychology
a branch of psychology believing that "the whole is greater than the sum of its parts", studies perceptions and against dividing into discrete parts.
well you read the book for your psychology class. You find the school of thought and then list each of the 5 schools interpretations. Example: Structuralism 1. Breaks the conscious into smaller parts in order to understand them better.
Some parts of psychology were philosophy, while others were in medicine. Freud, for example, was a medical doctor.
Deborah A. Thomas has written: 'Hard times' -- subject(s): Psychology, Whole and parts (Psychology), Psychology in literature, Knowledge
Psychology is divided into more parts than philosophy. (Originally was psychology a part of philosophy however. See for example Mind-Body problem.)
The Overconfidence Phenomenon is a term of modern psychology that pairs with Hindsight Bias. Basically, it states that humans naturally are overconfident in predictions on many parts of life. Also, If someone learns an outcome and believes that they could have foreseen it, they can develop overconfidence.
Oddly larger body parts. Oddly larger body parts.
Gestalt is the psychological school that first identified that visual perception occurs in terms of whole objects rather than individual component parts. The central principle of Gestalt psychology is that "the whole is greater than the sum of its parts."
Gestalt Psychology was formed by the German psychologist Max Wertheimer who named it after the word "Gestalt" meaning "an organised whole." He believed "the whole is greater than the sum of its parts." Today this is a part of cognitive psychology. References Psychology Second Custom Edition for the University of Montana College of Technology