1-C. Using a procedure designed by professionals to be more relaxed and enjoyable for volunteers, a second group of 12 divers spent the same amount of time in the same waters.Using a procedure designed by professionals to be more relaxed and enjoyable for volunteers, a second group of 12 divers spent the same amount of time in the same waters.
2-C. Following a strict traditional procedure, a group of 12 scuba divers identified 106 species of fish in the Caribbean.Following a strict traditional procedure, a group of 12 scuba divers identified 106 species of fish in the Caribbean.