First, preemptive and preventive uses of force are often justified by claiming either that there is substantial risk of a future attack or that it is difficult to ascertain how dangerous the target is.
Short-Term Memory: Up to 7 Items, But Highly Volatile. Many psychology experiments have shown that our short-term memory can hold only a limited number of separate items. The average is about 7 items, plus or minus 2, depending on the individual. You can easily confirm this by reading someone a series of words that have no connection with one another, then asking this person to repeat them.
short-term memory stores a limited amount of information for a short period of time (up to around 30 seconds); long-term memory lasts from over 30 seconds to many years; working memory a temporary memory store used for manipulating information in and out of short-term memory. memÂ·oÂ·ry (mem'Å-rÄ) 1.