Holmberg, Ingrid, 1929-  Holmberg, Ingrid, 1929- <br/><br/>
Programmed and conventional classroom instruction in arithmetic compared with respect to certain achievement, attitude and behavior variables. 

 - Malmo :  Dept. of Educational & Psychological Research, School of Education,  1965. 
 - Didakometry ;  no. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic -- Programmed instruction.--Arithmetic -- Programmed instruction.<br/>Programmed instruction -- Case studies.--Programmed instruction -- Case studies.<br/>Arithmetic -- Study and teaching.--Arithmetic -- Study and teaching.