Which of the following statements about learning curves is correct? a. There are 3 kinds of learning curve.
b. The straight Learning Curve is the most widely accepted.
c. The s-shape Learning Curve is the most widely accepted.
d. The u-shape Learning Curve is the most widely accepted

The correct statement about learning curves is:

d. The u-shape Learning Curve is the most widely accepted

Explanation:

The U-shaped learning curve explains the learning behavior in which the learner first learns the correct behavior, which is initially abandoned before being returned to once again.  And a learning curve is a visual or graphical representation of the length of time that it takes a learner to acquire new skills or knowledge.  When knowledge or skills are acquired within a short period, this translates to cost savings for the organization that is imparting the learning to its workers.

answer; (a) calling people who have not shown interest in the product and asking them to buy it;

answer; sensory adaptation;