The practice of giving employees a high degree of control over their work, from planning and organization, through implementing the jobs and evaluating the results is:

a. Job Design

b. Job Enlargement

c. Job Enhancement

d. Job Enrichment

b. Job Enlargement

Explanation:

Job design:

This is the method to design a proper task for a proper person it means that if person have good technical process so give a technical work instead of giving marketing work.

Job Enlargement:

As it name indicates enlargement it means that increases job task of and the responsibility of a person. In this task is added at the same level so this is also known as horizontal process.

Job Enhancement:

When a organization provide new opportunity of worker to increase his skill then it know as job enhancement.

Job Enrichment:

When a organization provide a good environment for worker then the worker feel better and always feel motivated to work. This is also a motivation process followed by organization.

So the option b is correct.

b. Job Enlargement