Answer: Multi-directional
Explanation:
The multi-directional development is one of the concept that helps in explain about the changes occurring in the uni-direction with some predicted growth, gain and also the unpredictable transformations.
In this type of development the human behavior are organized based on their performance which is required in processing the given data or information.
According to the given scenario, the performance of the people may vary based on their individual speed and the given situation is best illustrating about the dimension of multi-directional development process.
Therefore, Multi-directional is the correct answer.