Group member roles that reduce group success are ego tripper, negative artist, aggressor, jokester, avoider and that means all of these qualities can be detrimental for a group. The correct option among all the options that are given in the question is option "d" or the fourth option. These qualities can be the reason behind the failure of a team.
The missing word in the statement above is: life satisfaction. Most middle-aged adults list life satisfaction as the most important factor in happiness. According to the experiments related to life satisfaction, people become older because they become wiser and more knowledgeable and they begin to see that life would be better. This is based from the psychologists, Yuval Palgi and Doc Shmotkin.
Olmecs are considered to be a mother culture because they are the ancestors of numerous other groups and civilizations that arose later in the Americas. They lived as early as 1500 B.C.
