Ahmet Gürses|Çetin Do?ar|Esen Geyik
Teaching of the Concept of Enthalpy Using Problem Based Learning Approach
Atatürk University|Erzincan University|Atatürk University
purpose research investigate effect problembased learning students academic achievement regarding concept enthalpy one important thermodynamics concepts difficulty teaching attitudes towards laboratory applications subjects 31 thirdyear undergraduate students enrolled physical chemistry laboratoryi course department chemistry education spring semester 201112 academic year faculty education turkish university students groups single dual every week ten weeks two groups participated experimental study enthalpy concept test administrated beginning end preand posttest experimental study repeat test determine level reliability durability treatment statistical analysis experimental data paired ttest applied confidence interval 005 end application problembased teaching model students academic achievement gap pretest scores posttest scores found statistical significant difference