The experimental results depend on the postselection and analysis of the data. It has been suggested that the weak value cannot be interpreted as a real property of the system, but as an optimal estimate of the corresponding observable, given that the postselection is successful. Aephraim M. Steinberg, notes that the experiment with neutrons does not prove that any single neutron took a different path than its magnetic moments; but shows only that the measured neutrons behaved this way on average. It has also been argued that even if the weak values were measured in the neutron Cheshire cat experiment, they do not imply that a particle and one of its properties have been disembodied due to unavoidable quadratic interactions in the experiment. This last point was acknowledged by A. Matzkin, one of the coauthors of the neutron experiment paper.