Achievement is one of the – needs identified by the psychologist henry murray. the motivation to achieve is a need or desire to attain a certain –. people with high achievement motivation don’t just try hard; they are also – in the goals they set for themselves. people with low achievement motivation set goals that are either very easy to attain or too –.

Achievement is one of the psychosocial needs identified by the psychologist Henry Murray. The motivation to achieve is a need or desire to attain a certain standard of excellence. People with high achievement motivation don’t just try hard; they are also realistic in the goals they set for themselves. People with low achievement motivation set goals that are either very easy to attain or too ambitious.

3. dark matter

empty space could also be a simple vacuum