Wouldinforming subjects which items were presented on the current list remove effects of presentation modality, concreteness, and set size in a long-term free reconstruction of order task? In Experiment 1,a typical modality effect was found: memory for the fmal item in a list was enhanced when the item was presented auditorily rather than visually. In Experiment 2, order memory was better for concrete than for abstract items. And in Experiment 3, order memory was better when the same six items were presented on every trial than when a unique set of six items was presented. In all conditions in all experiments, the to-be-remembered items were given to the subject at test. These results suggest that contrary to a popular assumption, the reconstruction of order task does not provide a functionally pure measure of order memory.Accurately reproducing the order ofa list of items or set ofevents requires remembering two different kinds of information: information about the identity of each item, and information about the presentation order (Crowder, 1976;Healy, 1974). In the typical recall task, such as serial recall, these two sources of information are confounded and cannot be easily separated. In an attempt to eliminate such confounds, some researchers have adopted a task known as reconstruction of order (e.g., Healy, Fendrich, Cunningham, & Till, 1987;Nairne, 1991Nairne, , 1992Nairne & Neumann, 1993).In this task, a series of items is presented, and at test the same items are presented again, either in a new random order or in alphabetical order. Presumably, all relevant item information is available to the subject, who is now free to indicate the original presentation order. Typically, subjects are free to reconstruct the order in any manner they choose; for example, a subject might choose to indicate which item occurred in Position 5 first, and then indicate which item occurred in Position 1 second, and so forth. This free reconstruction of order task may be contrasted with serial reconstruction of order, which requires the subject to indicate which item occurred in Position 1 first, which item occurred in Position 2 second, and so on. Because all necessary item information is given to the subject at the time of test, the free reconstruction of order task "is typically seen as a pure test of position or order memory" (Whiteman, Nairne, & Serra, 1994, p. 276). The three experiments reported here demonstrate that functionally a free reconstruction of order task is not necessarily a pure measure of order memory: Even when subjects are informed of the I thank Aimee M. Surprenant for comments on an earlier version of this manuscript, James S.