Research articleRestricted accessResearch articleFirst published July, 1928pp. 3-34Children Clustering at 165 I.Q. And Children Clustering at 146 I.Q. Compared for Three Years in Achievement 1 Leta S. Hollingworth, Margaret V. CobbPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 35-65The Relative Influence upon Educational Achievement of Some Hereditary and Environmental Factors 1 J. D. HeilmanPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 67-91The Effect of Length of School Attendance upon Mental and Educational Ages * Katharine M. DenworthPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 93-95The Conditional Value of a Longer School Year in One-Teacher Schools F. P. ObrienPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 97-110The Influence of the Teacher on Relative Class Standing in Arithmetic Fundamentals and Reading Comprehension Howard TaylorPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 113-119Grade Placement versus Mental Age as a Factor in School Achievement M. J. Van WagenenPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 121-122Comparison of the Educational Progress of Bright Pupils in Accelerated and in Regular Classes William A. McCallPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 125-128Efficiency of Training as Affected by the Cost of Instruction T. C. Holy, G. M. RuchPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 131-134Achievement as Affected by Amount of Time Spent in Study 1 Lonzo Jones, G. M. RuchPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 137-150The Relationships of Certain Environmental Factors to Measures of Mechanical Ability 1 L. Dewey AndersonPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 153-158Dextrality Types and the Preschool Child June E. DowneyPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 161-177Sibling Resemblance in Deception 1 Mark A. May, Hugh HartshornePreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 179-209The Transfer of Training Guy M. WhipplePreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 211-230The Effects of Practice on Individual Differences 1 Joseph Peterson, Myron Call BarlowPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 233-245The Effects of Nature and Nurture on Musicality Paul R. FarnsworthPreview abstractGet AccessAbstract
Research articleRestricted accessResearch articleFirst published July, 1928pp. 248-350A Summary of Literature on the Determiners of the Intelligence Quotient and the Educational Quotient Barbara Stoddard BurksPreview abstractGet AccessAbstract