at any rate--about actually bringing it to 
account in any way? 
The use to which his ideas had to be put gave Dr. Reed an excellent test 
of their reliability. No doubt he passed through many stages of doubt as 
he investigated one theory after another. And he could not feel 
reasonably sure that he was right and had mastered his problem until 
his final hypothesis had been shown to hold good under varying actual 
conditions. 
What test has the ordinary student for knowing when he knows a thing 
well enough to leave it? He may set up specific purposes to be
accomplished, as has been suggested. Yet even these may be only ideas; 
what means has he for knowing when they have been attained? It is a 
long distance from the first approach to an important thought, to its 
final assimilation, and nothing is easier than to stop too soon. If there 
are any waymarks along the road, indicating the different stages 
reached; particularly, if there is a recognizable endpoint assuring 
mastery, one might avoid many dangerous headers by knowing the fact. 
Or is that particularly what recitations and marks are for? And instead 
of expecting an independent way of determining when he has mastered 
a subject, should the student simply rely upon his teacher to acquaint 
him with that fact? 
7. The tentative attitude as a seventh factor in study 
Investigators of the source of yellow fever previous to Dr. Reed 
reached conclusions as well as he. But, in the light of later discovery, 
they appear hasty and foolish, to the extent that they were insisted upon 
as correct. A large percentage of the so-called discoveries that are made, 
even by laboratory experiment, are later disproved. Even in regard to 
this very valuable work of Dr. Reed and his associates, one may feel 
too sure. It is quite possible that future study will materially supplement 
and modify our present knowledge of the subject. The scientist, 
therefore, may well assume an attitude of doubt toward all the results 
that he achieves. 
Does the same hold for the young student? Is all our knowledge more 
or less doubtful, so that we should hold ourselves ready to modify our 
ideas at any time? And, remembering the common tendency to become 
dogmatic and unprogressive on that account, should the young student, 
in particular, regard some degree of uncertainty about his facts as the 
ideal state of mind for him to reach? Or would such uncertainty too 
easily undermine his self-confidence and render him vacillating in 
action? And should firmly fixed ideas, rather than those that are 
somewhat uncertain, be regarded as his goal, so that the extent to which 
he feels sure of his knowledge may be taken as one measure of his 
progress? Or can it be that there are two kinds of knowledge? That 
some facts are true for all time, and can be learned as absolutely true;
and that others are only probabilities and must be treated as such? In 
that case, which is of the former kind, and which is of the latter? 
8. Provision for individuality as an eighth factor in study 
The scientific investigator must determine upon his own hypotheses; he 
must collect and organize his data, must judge their soundness and 
trace their consequences; and he must finally decide for himself when 
he has finished a task. All this requires a high degree of intellectual 
independence, which is possible only through a healthy development of 
individuality, or of the native self. 
A normal self giving a certain degree of independence and even a touch 
of originality to all of his thoughts and actions is essential to the 
student's proper advance, as to the work of the scientist. Should the 
student, therefore, be taught to believe in and trust himself, holding his 
own powers and tendencies in high esteem? Should he learn even to 
ascribe whatever merit he may possess to the qualities that are peculiar 
to him? And should he, accordingly, look upon the ideas and influences 
of other persons merely as a means--though most valuable--for the 
development of this self that he holds so sacred? Or should he learn to 
depreciate himself, to deplore those qualities that distinguish him from 
others? And should he, in consequence, regard the ideas and influences 
of others as a valuable means of suppressing, or escaping from, his 
native self and of making him like other persons? 
Here are two very different directions in which one may develop. In 
which direction does human nature most tend? In which direction do 
educational institutions, in particular, exert their influence? Does the 
average student, for example, subordinate his teachers and the ideas he 
acquires to himself? Or does he become subordinated to these, even 
submerged by them? This is the most important of all    
    
		
	
	
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