11. His still-sharp memory spans almost the entire 20th century. 12. Though numerous factors affect memory span , the test is one that shows surprisingly high reliability. 13. Results obtained by different investigators show that the reliability coefficients for memory span are quite high. 14. The memory span is projected to be shorter with letters that sound similar and longer words. 15. For serial recall, the modality effect is seen in an increased memory span for auditorally presented lists. 16. Miller concluded that memory span is not limited in terms of bits but rather in terms of chunks. 17. Memory span is defined as the maximum number of items that participants correctly recall in 50 % of trials.18. Therefore, these associated cues do not directly control the potential effect of proactive interference on short term memory span . 19. The thing that surprised me about this team is the memory span is not long, which is a good thing, 20. Whether anybody will remember these January shenanigans next autumn is highly doubtful, the national memory span now being about two-and-a-half weeks.