Joe is quite often irritable and fussy. his parents observe that he does not do well in new situations, and they complain that he has irregular patterns of eating and sleeping. a developmentalist is likely to conclude that joe has a( temperament.

Difficult

Explanation:

In psychology, the term temperament refers to the characteristics and aspects of personality that we are born with, it is assumed to be biologically determined.

According to theorists, there are 3 different types of temperament:

In the example, Joe is irritable and fussy (he reacts in a negative way), he doesn't do well in new situations (new experiences) and has irregular patterns of eating and sleeping (irregular daily routines), thus, we can see that the temperament Joe likely has is a difficult one.

Therefore, a developmentalist is likely to conclude that Joe has a difficult temperament.

answer; role- taking;