As nouns the difference between objectiveness and assertiveness
is that objectiveness is the characteristic of being objective; neutrality while assertiveness is the quality of being self-assured and assertive.
objectiveness
English
Noun
(-)
The characteristic of being objective; neutrality.
Synonyms
* objectivity (much more common)
See also
* subjectiveness
* bias
* point of view
assertiveness
Noun
(-)
The quality of being self-assured and assertive.