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HISTOET STUDY IX THE ELEMENTAKY SCHOOLS 



47 



and YI, twenty-five minutes, and in YII and VIII, thirty minutes. 

 The median length in minutes for each grade from I to VIII in- 

 clusive is as follows : 14.83, 14.67, 20.87, 18.67, 27.20, 23.50, 28.00, 

 and 30.40. It is interesting to note that the second is less than 

 the first, the fourth less tlian the third, and the sixth less than 

 the fifth Avhen stated in terms of the median. The table which 

 follows shows the strong tendency in the eighth grade to lengthen 

 the recitation period to equal the customary high school period, 

 there being approximately 25 per cent of the totals in the eighth 

 grade which have a period of thirty-five minutes or more. This 

 might be explained by either the tendency to do departmental 

 work in this grade, or by the fact that the eighth grade is sometimes 

 thro^^^l A^-ith the high school and uses the same length of recitation 

 periods. 



Length of Period. 



Frequency in Grades — 



Total. 



Number of systems reporting. 



5 minute period 



6 minute period 



8 minute period 



10 minute period 



12 minute period 



13 minute period 



15 minute period 



17 minute period 



18 minute period 



20 minute period 



22J/2 minute period 



26 

 27 

 28 

 30 

 32 

 35 

 37 

 35 

 40 

 45 



minute period, 

 minute period, 

 minute period . 

 minute period . 

 minute period, 

 minute period . 

 minute period, 

 minute period . 

 minute period, 

 minute period. 



Median duration. 



114 

 3 



125 

 3 



46 



34 

 ' 2 



11 



142 

 " 2 



173 



200 



207 1219 216 



4 

 2 

 1 

 35 

 1 



32 

 1 



22 



69 

 12' 



79 

 33 



46 

 1 



21 



41 

 '3' 



14 



57 

 1 



71 

 1 



46 



14.8 



14.620.8 



18. 



27.2 



23.5 



28 

 1 



69 

 1 

 1 



10 

 1 



13 



25 



40 

 1 



'90 

 1 



19 

 22 

 12 



28.0 30.4 



6 

 2 

 2 

 48 

 14 

 2 



206 

 2 

 1 



406 

 2 



278 

 4 

 1 



307 

 1 

 19 

 1 

 19 

 47 

 28 



Number of Minutes per Week Given to History in Each Grade. 



The most exact check on the amount of time given to history is the 

 one now under discussion. Wliether there is correlation between 

 time given to history and the results obtained is yet an unsolved 

 question. Before the investigations of Rice'"^ and Stone^ on the re- 



'J. M. Iike,lForum XXXIV; 281. 

 »C. W. Stone, Arithmetical Abih'-ties. 



