Contemporary researchers believe that there are three dimensions of temperament, each of which affects later personality development and school performance:
a) easy, slow-to-warm-up, unclassified
b) secure, insecure, disorganized
c) easy, secure, difficult
d) effortful control, negative mood, exuberance

D) Effortful control, negative mood, and exuberance

Explanation:

Effortful control, negative mood, and exuberance these are the three dimension of temperament that affects the personality of a person personality development and school performance.  

Extroversion and exuberance:

It is related to a person positive emotionalize, activity level, and positive mood

Negative affectionate:

It is related to the negative mood, sadness, fear anger and uncomfortable.  

Effortful control:

It is related to the attention shifted and focus, perceptual sensitivity, behavior inhibitory and self-control.

" effortful control, negative mood, exuberance"

Explanation:

" effortful control, negative mood, exuberance"

Effortful control provides the ability to maintain attention on a voluntary basis and to prevent or trigger behavior as needed to adjust to the situation, especially when the individual doesn't want to do so.

Negative impact associated with terror, rage, sadness and distress.The temperament known to be correlated with a risk-taking tendency is exuberance

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modern american cars are not available due to trade restrictions

panem is a communist totalitarian dictatorship where all the resources and how they are allocated belongs to the capitol. the districts exist only to provide goods and services for the capital and most of the citizens live in poverty. it is a police state where the "peacekeepers" use force and threats to keep the people under control. dissent is outlawed and those who disobey the law are executed, flogged, or turned into avoxes. the games are another means in which the ruling elite in the capitol exert their power over the districts. when reading the books i drew parallels between panem and the soviet union and north korea. in no way is panem capitalist. the people in the capitol are wealthy but the majority of them are involved in the government somehow. it was the same way in the former soviet union where bigwigs in the communist party and high ranking government officials were given access to goods, services, medical treatments not available to the general public. if you think panem has a capitalist economy you need to brush up on your economics.