As table XXIV is part of the discussion of factors in time expenditure, its sample readings are given under that heading, page 62.

The Relation of Time Expenditure to Abilities Produced

The reader found one indication of the relation, or lack of relation, between time cost and products in tables XXII and XXIII. Each of the three following tables expresses these same facts.

TABLE XXV

Comparison of the Achievements of the Systems having Less than
Median Time Cost with those having More

Combined Scores of the Thirteen Systems
With less than median time costWith more than median time costWith less than median time costWith more than median time cost
Including home studyWithout home study
Reasoning7,5197,8937,2778,135
Fundamentals40,75140,27337,16543,859

TABLE XXVI

Ratio of Time Expenditures to Abilities[38]

SystemsAverage RatiosReasoning RatiosFundamental Ratios
Serial Standing of SystemsTime Cost to Reasoning and to FundamentalsSerial Standing of SystemsTime Cost to ReasoningSerial Standing of SystemsTime Cost to Fundamentals
IV12.2613.994.520
XXIII21.9223.221.624
XVII31.6532.887.421
XIII41.5442.553.533
XX51.4572.362.535
XVIII61.4152.4813.336
XIV71.4072.366.438
VIII81.3982.335.457
IX91.35392.255.457
XVI101.35262.4018.304
XV111.31112.208.422
VII121.28122.149.415
XXIV131.24102.2121.270
II141.22142.027.421
VI151.20132.0411.354
I161.15151.9310.363
III171.05161.7716.331
XII180.943171.5513.336
XXV190.941171.5515.333
X200.93181.5314.335
XI210.913201.4812.346
XIX220.91191.5017.311
XXI230.83211.3719.293
V240.67231.0620.272
XXII250.65221.0823.219
XXVI260.64241.0522.227