Part 8
The distinction between the individual and the statistical aspect of a problem may be further illustrated in the much-discussed question of the differences in brain characteristics of men and women. When the claimants for woman's equality point to the acknowledged inability of an anatomist to determine whether a particular brain belonged to a man or a woman as conclusive evidence of their contention, they unconsciously assume that the problem is capable of determination in the individual specimen. A sounder logic would insure greater caution. The differences in question may be certainly established and typical, and yet depend upon statistical, not upon individual data. Give the anatomist a goodly number of fairly selected brains and tell him that all the women's brains are in one group, and all the men's brains in another, and he will tell you which group is feminine, which masculine; and this more than offsets his failure in the former test. It establishes a statistical regularity. Individually we may argue that many women of our acquaintance have larger heads than the men; that the English, are not taller than the French, because the Frenchmen we have chanced to meet have been quite as tall as the Englishmen of our acquaintance; that the laws of chance do not apply to the gaming-table, because on that basis we should have come out even and not as losers; and that coincidences cannot explain our strange mental experiences, because they are altogether too peculiar and too frequent. It is only in the most complete stages and in the more definite realms that knowledge becomes applicable accurately and definitely to individual cases. For the present it is well if, with such abstruse or rather indefinite material, we can glimpse the statistical regularity of the entire group of phenomena, trace here and there the possible or probable application of general principles, and refuse to allow our opinions to be disarranged by rather startling individual cases. The explanation of these, however interesting they may be to ourselves or entertaining to others, is not the test of our knowledge of the subject.
I pick up a stone, and with a peculiar turn of the hand throw it from me; probably no student of mechanics can exactly calculate the course of that projectile,--nor is it worth while. What he can do is to show what laws are obeyed by ideal projectiles, ideally thrown under ideal conditions, and how far the more important practical cases tend to agree with or diverge from these conditions. It is unfair to test his science by its minute applicability to our special experiences.
When the problems involved in mental telegraphy come to be generally viewed under the guidance of a sound logic, the outlook will be hopeful that the whole domain will gradually acquire definite order; and that its devotees, after appreciating the statistical regularity of the phenomena, will come to the conclusion that much of the energy and ability now expended in a search for the explanation of complex and necessarily indefinite individual cases, is on the whole unprofitable. With an infinite time and an infinite capacity it might be profitable to study all things; but, at present, sanity consists in the maintenance of a proper perspective of the relative importance of the affairs of the intellectual and the practical life. It may be that the man who puzzles day and night over some trivial mystery expends as much brain energy as a great intellectual benefactor of mankind; but the world does not equally cherish the two.
III
It becomes important in the further consideration of coincidences to emphasize the great opportunity presented in their description for error, for defective observation, for neglect of details, for exaggeration of the degree of correspondence; and equally demonstrable is the slight amount of such error or mal-observation that is all-sufficient to convert a plain fact into a mystery. Consider the disfigurement that a simple tale undergoes as it passes from mouth to mouth; the forgetfulness of important details and the introduction of imaginary ones, exhibited upon the witness stand; the almost universal tendency to substitute inferences from sensations and observations for the actual occurrences; and add to these the striking results of experimental inquiry in this direction--for example, the divergences between the accounts of sleight-of-hand performances or spiritualistic séances and what really occurred--and it becomes less difficult to understand why we so often fail to apply general principles to individual cases. The cases cannot be explained as they are recorded, because as recorded they do not furnish the essential points upon which the explanation hinges. The narrator may be confident that the points of the story are correctly observed, that all the details are given; and yet this feeling of confidence is by no means to be trusted. It is quite possible that the points that would shed most light on the problem are too trivial to attract attention; a slightly imperfect connection as effectively breaks the circuit and cuts off the possibility of illumination as a more serious disturbance. After the explanation is given or the gap supplied or the break discovered, we often wonder how we could have failed to detect the source of the mystery; but before we know what to observe and what to record and what to be on our guard against, the possibility of error is extremely great, far greater than most of us would be willing to make allowance for; and the strict demonstration as also the refutation of a proposed explanation becomes correspondingly difficult.
IV
I turn to another point, in some respects the most important of all; I refer to the readiness with which we interpret as the remarkable frequency of coincidences what is due to a strong interest in a given direction. Inasmuch as we observe what interests us, a recently acquired interest will lead to new observations--that is, new to us, however familiar they may be to others. Take up the study of almost any topic that appeals to human curiosity, and it takes no prophet to predict that within a short time some portion of your reading or your conversation, or some accidental information, will unexpectedly reveal a bearing on the precise subject of your study, often supplying a gap which it would have been most difficult otherwise to fill; but surely this does not mean that all the world has become telepathically aware of your needs and proceeded to attend to them. Some years ago I became interested in cases of extreme longevity, particularly of centenarianism, and for some months every conversation seemed to lead to this topic, and every magazine and newspaper offered some new item about old people. Nowadays my interest is transferred to other themes; but the paragrapher continues quite creditably to meet my present wants, and the centenarians have vanished. When I am writing about coincidences, I become keen to observe them; such for example as this: I was reading for the second time an article on "Mental Telegraphy" (by Mark Twain in "Harper's Monthly Magazine," December, 1891); I was occupied with what is there described as a most wonderful coincidence, the nearly simultaneous origination by the author and by Mr. William H. Wright of a similar literary venture,--when I happened to take my eyes from the page and saw on my desk a visiting-card bearing the name, "W. H. Wright." It was not the same W. H. Wright, but a gentleman whom I had met for the first time a few hours before, and have not seen since. Had I not been especially interested in this article and its subject, the identity of the names would certainly have escaped my attention, and there would have been no coincidence to record. Quite apropos both of coincidences and of their dependence upon personal interest, I find recorded in a current magazine the experience of one who became enthusiastically interested in thoroughbred cats: "Strangely enough--for it is a thing which is recurrently strange--I, who had rarely seen any printed matter relating to cats, now found the word in every newspaper. Adopting a new interest is like starting a snowball; as long as it moves, it gathers other particles to itself."
It is only necessary to become deeply interested in coincidences, to look about with eyes open and eager to detect them, in order to discover them on all sides; resolve to record all that come to hand, and they seem to multiply until you can regard yourself and your friends as providentially favored in this direction. If your calling develops a taste for matters of this kind,--for example, if you are a writer, with a keen sense for the literary possibilities and dramatic effects of such coincidences, or if you are of an imaginative turn of mind with a pronounced or a vague yearning for the interesting or the unusual; if you have a more generous or more persistent endowment of the day-dreaming, fantastic, self-dramatization of adolescence, that is half unreal and yet half externalized in the vividness of youthful fancy,--is it strange that you should meet with more of these "psychic experiences" than your prosaic neighbor whose thoughts and aspirations are turned to quite other channels, and to whom an account of your experiences might even prove tiresome? If you cultivate the habit of having presentiments, and of regarding them as significant, is it strange that they should become more and more frequent, and that among the many, some should be vaguely suggestive, or even directly corroborative of actual occurrences?
The frequent coincidences, which form so influential a factor in disseminating an inclination towards such an hypothesis as telepathy, are doubtless largely the result of an interest in these experiences. This interest is very natural and proper, and when estimated at its true value is certainly harmless; it may indeed contribute material worthy of record for the student of mental phenomena,--or it may give spice to the matter-of-fact incidents of a workaday existence. To many minds, however, the temptation to magnify this interest into a significant portion of one's mental life, to invest it with a serious power to shape belief and to guide conduct, is unusually strong, in some cases almost irresistible. It is this tendency that is essentially antagonistic to a logical view and therefore to a scientific study of these irregular mental incidents; it is this tendency that is responsible for much of the spurious and the unwholesome interest in the problems of mental telegraphy.
It would naturally be expected that the nature and subject-matter of the more frequent types of coincidences and presentiments would throw some light upon their origin, and would in some measure reinforce the general position above taken. We should expect that such coincidences would relate to persons and affairs that are frequently in our thoughts, and that similarities of thought and presentiments based upon them should occur among persons intimately acquainted with one another's thought-habits, at least in regard to that line of thought to which the coincidence relates; these expectations are fairly well borne out by the facts. It is a commonplace observation that presentiments and unusual psychic experiences most frequently relate to those who are dear to us, or in whom we have a momentarily strong interest; that they deal with events which we have anxiously dreaded or desired, or with matters over which we have puzzled or worried; and again, that they occur under conditions of emotional strain, excitement, or anxiety. In brief, they deal with what is frequently in our minds or what more or less unconsciously furnishes the general emotional and intellectual background which gives character to our mood and to our associations of ideas. I need hardly add that it is the more successful and striking coincidences that we remember and record, and the others that are quickly forgotten. Moreover, so large a share of mental operations of the type in question takes place in the region of the subconscious, that our recollection of what has occupied our thoughts is by no means a final authority. Occasionally we detect these subconscious similarities of mental operations, when after a silence the same question or thought shapes itself on the lips of two speakers at the same time; and here again, are not many of those who give utterance to the same thoughts, or finish one another's sentences, intimate companions in the walks of life? Is it strange that in the daily intercourse with a congenial spirit, they should have absorbed enough of one another's mental processes to anticipate, now and then, a step in their association of ideas?
Still another factor that figures somewhat in coincidences relates to events which are sooner or later very likely or quite certain to occur, and in which the coincidence is confined to the close simultaneity of the action on the part of two or more persons concerned. The crossing of letters is easily the best illustration of this type of occurrence which has the semblance of thought-communication. It is so easy to fall into the habit of delaying all delayable matters as long as possible that it must frequently happen that your own sense of duty is aroused and your correspondent's patience is exhausted at nearly the same time. If A is to hear from B, or B from A, within a period not very definite but still reasonably limited, every day's delay makes it more and more probable that their letters will cross. The same consideration applies to other affairs of daily life; we delay a matter of business and are just about to attend to it when the other party concerned comes to us, or we delay offering some social attention until just as we are about to do so it is asked of us; and so on. In brief, we find not only in sickness and death, in family ties and friendships, in travel and adventure, but also in the special and in the complicated interests of our civilized life an abundant opportunity for coincidences; and we find that their frequency is clearly related to the commonness of the event, and to its familiarity and closeness of relation to our habits of thought.
V
Reviewing the arguments which have been presented, we find a tendency to underestimate the possibilities of expression and communication through the normal channels of the senses and the subtle inferences based upon them, and also an insufficient appreciation of the unrecognized but by no means supernormal capabilities, which special and unusual susceptibility or training of these same powers of interpretation and thought-revelation may bring about; we find, further, a prevalent underestimation of the generic and at times the specific similarity of the products of our several diverse and yet homogeneous mental equipments, and with it a lack of consideration of the greatly increased facilities for such mental community afforded by modern conditions of rapid transit and rapid sharing of the common benefits of civilization. We find a misconception of the nature of the application of the doctrine of chances to mental coincidences, which brings about an apparent recognition but an intrinsic belittling of the rôle which chance really plays in the evidence advanced for telepathy; we find that this error is probably due to an unfortunate, intensely individual view of the problem, which insists upon an explanation of personal experiences, and disregards the essentially impersonal and statistical nature of the inquiry. This unfair attitude (which is equally unfair if applied to other and more exact data) renders difficult, if not impossible, a just appreciation of the theoretical aspect of the problem and of the application of theory to practice. We find, furthermore, that the recorded data are likely to involve an unusual degree of unreliability owing to such natural psychological tendencies as defective observation, exaggeration, preconception, and the ordinary limitations and failings of humanity; nor is any serious amount of such neglect needed to bridge the gap between intelligible fact and unintelligible mystery. Finally, it is not sufficiently borne in mind that the data are in large part created by the subjective attitude of expectation and interest in such experiences, and that the nature of the more frequent coincidences furnishes satisfactory evidence of their natural relations to dominant interests and occupations. The concordant suggestion from these various considerations is that a very large part of the experiences offered in evidence of mental telegraphy, finds a much more natural and more consistent explanation when viewed as the complex and irregular results of types of mental processes included within the legitimate and recognized domain of psychology. There is no desire to overlook the loose and distant connection that often pertains between the general considerations and the particular phenomena here relevant; on the contrary, this lack of explicit and intimate connection is a logical characteristic of the relation of theory to practice in dealing with such complex and irregular material, and is likely for a long time to remain so. A more properly cultivated logical sense will bring about a more satisfactory appreciation of and a greater intellectual content with this aspect of the problem; it will be recognized that it is wiser to make the best of actual though admittedly unsatisfactory conditions than to fly to evils that we know not of.
VI
I therefore regard the inclination towards a telepathic hypothesis as the result of a defective logical attitude, which in turn may be regarded as the outcome of a natural but unfortunate psychological tendency. In considering the question, "What is the proper inference to be drawn from the accumulated data apparently suggestive of 'communication between mind and mind otherwise than through the known channels of the senses'?" we are considering a logical problem--a problem of considerable difficulty, not one to be entered upon without deliberation and preparation. In considering the question, "How is it that such evidence is readily accepted as proof of telepathy? How is it that this hypothesis is favored above others intrinsically no less improbable?" we are likewise entering upon a complex problem, but one that is psychological in scope and nature. It is to a more fundamental consideration of these questions that we now turn.
I have based my discussion of mental telegraphy almost wholly upon the occurrence of coincidences (using that term not as the equivalent wholly of chance occurrences, but including suggestive or interesting conjunctions of circumstances in general), for the reason that coincidences--both those of a commonplace character and those that seem to possess a striking personal significance--have prepared the popular mind for the acceptance of the telepathic hypothesis, and still constitute the most formidable array of evidence presented for that hypothesis. The other class of evidence to be considered is the experimental, which may be said to include as its most distinctive type the results of tests in which intentional attempts at mental telegraphy were made under definite conditions and usually with specially selected subjects; and as another type, the precise verification and registration of presentiments and peculiar and startling "psychic experiences" with reference to their coincidence with death, accidents, and other serious events in life. It may be admitted that the experimental data are equally worthy with the others of a logical analysis, and indeed that they present in some respects different and more favorable conditions for the application of such an analysis. In general, however (and I desire to confine this discussion to the general principles involved and not to the analysis of special cases), the considerations that determine the logical value, or the lack of it, of the one type of evidence are applicable without undue modification to the other. Nor do I consider that the experimental data have seriously modified the logical status of the problem as a whole; nor that they have, except in relatively few cases, been of themselves sufficient to make converts to a belief in telepathy. They have undoubtedly very much strengthened and disseminated that belief; but this implies that a favorable disposition to the belief was already present. It is because it seems to me that the presence of this favorable disposition, albeit in suppressed or half-acknowledged form, is in most cases due to some phase of the argument from coincidences, that I have made it central in my discussion. I must not fail to point out, however, that experiments in thought-transference have one important, and that a logical, advantage over observations of coincidences; this is the possibility which they present of quite accurately allowing for the effect of chance. In coincidences the estimate of chance as the source of the conjunction of events is frequently, if not always, a matter of complex judgment over which serious differences of opinion will occur. Some of the published quantitative estimates made by serious and able students of such problems, of the probabilities that certain coincidences have been due to chance have been pronounced altogether wide of the mark and even absurd by others. In experiments arranged with due precautions there can be no uncertainty on this point; the proportion of successes, that is, of striking coincidences, may be calculated. If the actual number of chance coincidences appreciably exceeds the calculated proportion, and if the theory on which the calculation was based corresponds to the actual conditions, then the results were not due to chance alone. But whether they were due to fraud, or to some unconscious transference of indications, or to telepathy, or to spirit influence, or to interference of the devil, or to the fact that the participants in the experiment were born when the stars and planets presented certain conjunctions, or to the existence of a totally unrecognized form of mental vibrations,--all these are mere hypotheses which may be strong or weak or absurd, according to their power to really account for the results, to their concordance with the sum total of scientific knowledge in this field and with the logical principles guiding the formation of scientific hypotheses. To jump from the conclusion that the results are not due to chance to the conclusion that they are due to telepathy, is no whit more absurd than the position of the astrologer, or the spiritualistic explanation of conjuring tricks. That there is something in these results to be explained is admitted; whether the results have been obtained and recorded in such a way as to contain the clue to their explanation cannot be affirmed; whether our present state of knowledge enables us to explain them may be argued pro and con; whether they are worth serious attention is also a debatable question; but none of these conditions warrants a resort to the telepathic hypothesis. That hypothesis as all others must be weighed in the logical balance without prepossession, and with full realization of the possibility, that "general appearances suspicious," or "not proven," or a complete suspension of judgment, may be among the present verdicts.
VII