Ben is trying to solve a crossword puzzle in the local newspaper because he enjoys working through all the clues and coming up with the correct answers. This is an example of:

About ______ of U.S. teens consider themselves close to their siblings, whereas about ______ of adults aged 25 to 65 count their siblings as their friends

Fill in the blank with correct word

According to the authors, it is not easy to understand and explain other people's behaviour because

A) other people work to hide their motivations and intentions. B) we only have access to observable behaviours. C) we are biased by our own motivations. D) social behaviour is often random. E) social behaviour is often performed without conscious awareness.