answer :
high, upper-middle, lower-middle, and low income countries. Least developed countries, landlocked developing countries and small island developing states are all sub-groupings of developing countries. please mark me as brainlist i hope it helps you
I believe the answer is: negative reinforcement
Negative reinforcement refers to the type of reinforcement a form of reinforcement that make a subject become uncomfortable to the point where the subject would do some efforts to avoid or eliminate the negative reinforcement (just like the horrendous ding sound)
<span>They are more likely to be "depressed, become alcoholic,
and/or have an eating disorder".</span>
Developmental stage theories are hypotheses that separate
youngster advancement into particular stages which are described by subjective
contrasts in conduct. There are various diverse perspectives about the manner
by which mental and physical advancement continue for the duration of the life.
This one is jurisdiction and its the power or right to hear and decide on a case.
