Mr. schlenker has improved worjer productivity at his furniture manufacturing plant by occasionally sending notes of appreciation to his hard-working employees. mr. schlenker has improved productivity by means
a. latent learning
b. classical conditioning
c. modeling
d. operant conditioning
e. observational learning

Ope-rant conditioning

Explanation:

Ope-rant conditioning also called instrumental conditioning. This is conditioning that is happened with rewards and punishments. Ope-rant conditioning is related to the association between the behavior of a person and its consequences.  

Ope-rant conditioning is not just about to conduct in lab or in an experiment but it is about to occur in daily life. The op-rant conditioning occurs daily in our life or natural settings as well it occurs in structured settings. Punishment and reward play a great role in educational settings with students.  

Thus in the above statement, Mr. Schlenker has improved worker productivity at his manufacturing plant by occasionally sending notes to his worker of appreciation as a reward that has improved productivity.  

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer

is there a year set? the question is incomplete