Find the divergence at 
for the vector field 
Definitions:
Experimental Methods
The use of controlled and systematic procedures in research to investigate hypotheses and establish causality.
Q-sort Technique
A methodology used in psychology for the assessment of subjective matters, involving the sorting of cards according to criteria provided, to reflect personal attitudes, feelings, or beliefs.
Self-concept
Self-concept is an individual's perception of themselves, including knowledge about the self, such as beliefs regarding personality traits, physical characteristics, abilities, values, goals, and roles.
Self-image
The mental representation one creates of themselves, influenced by self-evaluation and societal feedback.
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