During middle childhood, a. children are aware that they can experience two contradictory emotions at once. b. children tend to be less happy than they were in early childhood because they engage in...

During middle childhood,

a. children are aware that they can experience two contradictory emotions at once.

b. children tend to be less happy than they were in early childhood because they engage in more social comparison.

c. children experience less emotional stability than they did at early stages in development because they are changing social contexts more often.

d. children’s emotions become more intense, so they are not yet able to conceal their true feelings.