Practices vs Habits

[Zhangbaixiang]

Business English Lesson, Advanced Level

ESL/EFL Test #178 "Human Resources Management", question 9

One of the primary reasons that employees quit their jobs are the bad management ......... of their direct supervisor.

(a) activities
(b) exercises
(c) habits
(d) practices

Business English Lesson, Advanced Level

ESL/EFL Test #178 "Human Resources Management", answer 9

One of the primary reasons that employees quit their jobs are the bad management practices of their direct supervisor.

Correct answer: (d) practices
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Is there a special meaning for chosing practices? I think both habits and activities are ok here.
thanks.
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I have a dream and I want to know the secret of time and universe.

[Mister Micawber]

Practices = usual planned procedures
Habits = unintentionally developed actions
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Native English teacher at Mister Micawber's