## An analysis of the structural variables that determine problem-solving difficulty on a computer-based teletypeInstitute for Mathematical Studies in the Social Sciences, Stanford University, 1970 - Education - 98 pages |

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### Contents

Traditions in Problemsolving Research | ii |

The Theory | 15 |

Discussion | 52 |

10 other sections not shown

### Common terms and phrases

analysis of variance assigned a value cognitions conversion of units conversion variable correct response correct solution depth variable Deviation about regression Dexter Fletcher distributed practice Experimental Psychology factors given numbers H AND SPACE H TYPE instruction set Journal of Verbal Kendler Klausmeier large number Learning and Verbal left branches length variable LINE NUMBER minimum number multiple correlations multiple linear regression Newell number of steps number of words number on line numerical data operation(s operations variable partial correlation coefficients percent pounds predicted problem difficulty proportion of correct reach the correct receives a value regression analysis regression coefficients School sentence sequential variable Simon solve problems solve the problem standard error stepwise regression SUBTRACT Suppes teletype TELL THE COMPUTER theory tree TYPE H variable receives Variance for Multiple variation d.f. Sum Verbal Behavior Verbal Learning verbal-clue variable WANT A HINT weeks weigh word problems Yngve mean York