Simplify and write the following complex number in standard form. 
Definitions:
Selective Attention
The process by which a person focuses on one or a few sensory inputs while ignoring other stimuli.
Perceptual Set
A tendency to perceive or notice some aspects of the available sensory data and ignore others, influenced by expectations, emotions, and culture.
Expectancy Effect
The phenomenon where a researcher's expectations influence the outcome of a study.
Müller-Lyer Effect
A visual illusion in which two lines of the same length appear to be of different lengths due to the orientation of arrow-like figures at their ends.
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