On complex tasks the pressure of being evaluated can spur one to greater effort

Reports indicate that if someone is a member of an "online community" and threatens to commit suicide online, the other members of the online community will:

A) immediately contact 911 services, and try to talk the person out of the suicide attempt. B) act as though they are watching a TV drama, and urge the person to follow through with the suicide. C) ignore the person threatening suicide, directing the online chat to other topics. D) respond in many different ways, including urging the person to commit suicide and contacting 911 services.

The Seattle Longitudinal Study found that the measured output of all the five primary mental abilities began to _________ at about age 60

Fill in the blank with correct word