Before revision: It consists of 27 items where it is required to respond to each item according to a scale from 1 (strongly agree) to 7 (strongly disagree) , based on a self-referential statement about some aspect of environmental spatial cognition .
After revision: It consists of 27 self-referential statements about some aspect of environmental spatial cognition to be rated on a scale from 1 (strongly agree) to 7 (strongly disagree) .