Answer:
ADHD: Attention Deficits/Hyperactivity Disorder.
Explanation:
This is a system in which a person displays inattention such as lack of persistence and lacking focus. Sadiq's inability to persevere on his projects to successful end tallys with inattention described in this ADHD.
It's either:
Symbolic Interaction
Functionalism
Stimulus-Value-Role Theory
or
Conflict Theory
