Press 1 and <Enter> to continue  
CfC20C  
You may stop now. Thank you.  
INTERVIEWER: CODE AS CORRECT IF RESPONDENT COUNTED BACKWARDS FROM 19 TO 10  
OR FROM 20 TO 11 WITHOUT ERROR.  
INTERVIEWER: USE [Ctrl-R] IF RESPONDENT REFUSED TO TRY THE TASK.  
1. Correct  
2. Incorrect  
3. Wants to start again  
IF CfC20C = Wants to start again[[IF CfC20C=3  
CfC20D @  
Let's try again.  
INTERVIEWER: PRESS [Enter] AS SOON AS YOU READ OUT:  
The number to count backward from is: 20  
Press 1 and <Enter> to continue  
CfC20E @  
INTERVIEWER: WAIT UNTIL RESPONDENT HAS COUNTED 10 NUMBERS THEN PRESS <1>  
AND <Enter> AS SOON AS RESPONDENT HAS COUNTED 10 NUMBERS OR STOPS.  
INTERVIEWER: CORRECT RESPONSES INCLUDE COUNTING DOWN FROM 19 TO 10 OR FROM  
20 TO 11.  
Press 1 and <Enter> to continue  
CfC20F  
You may stop now. Thank you.  
INTERVIEWER: CODE AS CORRECT IF RESPONDENT COUNTED BACKWARDS FROM 19 TO 10  
OR FROM 20 TO 11 WITHOUT ERROR.  
USE [Ctrl-R] IF RESPONDENT REFUSED TO TRY THE TASK.  
1. Correct  
2. Incorrect  
END OF FILTER  
CfSvA  
Now let's try some subtraction of numbers. One hundred minus 7 equals what?  
INTERVIEWER: If respondent adds 7 instead, you may repeat question.  
Range: 0..999  
IF gave an answer to ChSvA [CfSvA = RESPONSE]  
CfSvB  
INTERVIEWER: THIS IS THE SECOND SUBTRACTION.  
And 7 from that?  
Range: 0..997  
IF gave an answer to CfSvB [CfSvB = RESPONSE]