Howie and his little sister stephie are each given one large cookie. the mother breaks stephie's cookie into four pieces to her eat it more easily. howie immediately begins to cry and says that it isn't fair for stephie to get so many cookies when he only has one. howie is showing a lack of: ?

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .