Letter-Number Sequencing

Question 1

What material are needed?

Answer 1

Administration and scoring manual and record form.

Question 2

Where do you start?

Answer 2

Ages 6-7: Qualifying items, demonstration item A, sample Item A, then Item 1.
Ages 8-16: Demonstration Item A, Sample Item A, and then Item 1

Question 3

What are the discontinue rules?

Answer 3

Ages 6-7: Discontinue after an incorrect response to either Qualifying Item OR after scores of 0 on all three trials of an item.
Ages 8-16: Discontinue after scores of 0 on all three trials of an item.

Question 4

What is the Process Score?

Answer 4

The Longest Letter-Number sequence (LLNs) raw score is the total number of letters and numbers recalled on the last trial scored 1 point. Max LLNs raw score is 8 points.

Question 5

What is the scoring criteria?

Answer 5

For each trial of Items 1-2, score 1 point if the child gives a correct response.

For each trial 3-10, score 1 point if the child gives either one of the correct responses. The child receives credit even if the letters are recalled before the numbers.

The item score is the sum of the trial scores for that item.

Total raw score is obtained by summing the item scores.