Final answer:
The technique which is not used for improving self-control is excessive multitasking and constant distraction. The proper techniques used for improving self-control typically involve reducing stress and enhancing concentration rather than promoting distractions.
Step-by-step explanation:
The exercise that is not commonly used to help develop self-control is D) Excessive multitasking and constant distraction. Self-control, also known as self-regulation, involves consciously controlling one's behaviours, emotions, and thoughts in the pursuit of long-term goals. Techniques aimed to enhance self-control include A) Meditation and mindfulness techniques, B) Goal setting and time management , and C) Impulse control games and exercises. These techniques, contrary to D, focus on reducing stress, promoting focus, and strengthening the internal locus of control, referring to the belief in personal control over events and outcomes in one's life.
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