what is the correct anwser

Identify the definition of the learning effect.(1 point)
Responses

the method by which education increases productivity and results in higher wages for workers

the ratio between total output of goods and services and the number of labor hours worked

the ratio between the number of inputs, or factors of production required to produce a good or service, and the level of output

the knowledge and skills a worker gains through education and experience

the knowledge and skills a worker gains through education and experience