Volume 7, Issue 2 (August 2020-Online First)

447
Cover Pages  
Achievement Goals and Learning Approaches in the Context of Social Studies Teaching: Comparative Analysis of 3×2 and 2×2 Models
http://dx.doi.org/10.17275/per.20.16.7.2
Servet Üztemur
1-18
An activity for gifted and talented students to learn the concept of keystone species
http://dx.doi.org/10.17275/per.20.17.7.2
Gökşen Üçüncü, Ferhat Karakaya, Mehmet Yılmaz
19-32
Effectiveness of The Big Math for Little Kids Program on the Early Mathematics Skills of Preschool Children with a Bilingual Group
http://dx.doi.org/10.17275/per.20.18.7.2
Özlem Altındağ Kumaş
33-46
The Effect of the Item’s Type and Cognitive Level on Its Difficulty Index: The Sample of TIMSS 2015
http://dx.doi.org/10.17275/per.20.19.7.2
Mustafa İlhan, Nagihan Boztunç Öztürk, Melek Gülşah Şahin
47-59