Many studies have reported differences between firstborn and later-born children.What aspect of the procedure makes it difficult for us to draw conclusions from these results?

Question

Many studies have reported differences between firstborn and later-born children.What aspect of the procedure makes it difficult for us to draw conclusions from these results?​

Quizplus · Accepted Answer

The Answer of Many studies have reported differences between firstborn and later-born children.What aspect of the procedure makes it difficult for us to draw conclusions from these results?​

Many Studies Have Reported Differences Between Firstborn and Later-Born Children