. How to measure in education . onthFig. i8B Y 50 40 14. It is often desirable to includein the diagram the numerical data or 20formidce represented. T I J \ / 7 ^ ^ ^■^ 0 \ ; Fi( X 8C 5 ( B • 7 Population ,00075. // numer-ical data are not in thediagram it is de-sirable to give thedata in tabularform accompany-ing the diagram. 60,000, r r^ CO O) Year Fig. 19 Nfear Population 18401850186018701880189019001910 17,069,45323,^,,558,,78362,622,25075,, Graphic Methods 341 16. All lettering andall figures on a
. How to measure in education . onthFig. i8B Y 50 40 14. It is often desirable to includein the diagram the numerical data or 20formidce represented. T I J \ / 7 ^ ^ ^■^ 0 \ ; Fi( X 8C 5 ( B • 7 Population ,00075. // numer-ical data are not in thediagram it is de-sirable to give thedata in tabularform accompany-ing the diagram. 60,000, r r^ CO O) Year Fig. 19 Nfear Population 18401850186018701880189019001910 17,069,45323,^,,558,,78362,622,25075,, Graphic Methods 341 16. All lettering andall figures on a diagramshotdd be placed so as tobe easily read from thebase as the bottom, orfrom the right-hand edgeof the diagram as thebottom. Population ,000 80,000,00060,000,000 20, BXBS OoOOOOOO Stfj to r- w c o •- Year Fig. ao i^. The title of a diagram shouldbe made as clear and complete aspossible. Sub-titles or descriptionsshould be added if necessary to insureclearness. , «o W d d —. oD r^ S o. t a 3 4 5 6 7 e 9 10II 12 Month Aluminum Castings Output ofPlant No. 2, by Months, 1914- Output is given in short tons. Sales of Scrap Aluminum arenot included. Fig. 21 Further Principles of Graphing. — The suggestionsgiven below do not appear in the report of the Committeeon Graphic Presentation, but through the influence of Brin-tons book,^ in particular, they have become rather gen-erally accepted as good practice. The reader is referred tohis book for a further amplification and illustration of theseprinciples. 1 Willard C. Brinton, Graphic Methods for Presenting Facts; The Engineeringasine Co., New York, 1917, 371 PP- 342 How to Measure in Education 18. When several items are being compared the item ofchief interest may be made more striking than the others. The most important item can be made more striking bythe use of (a) capitals or red letters for the title. Thus inFig. 6, for example, the ^1914 and the 555,031 couldhave been printed in red, provided the year
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