: Communication ability head for a present of exchange information to accomplish the same comprehension. However, this ability did not conducted optimally which can be seen a reality that a teacher hardly to make student pose a question. Reading Infusion (RI) and Socrative (SC) was used to solve the communication ability problem. Quasi-experiment research with static comparison group design was fully conducted in three classes such as RISC class, kelas RI class and SC class. Communi-cation profil of the subject is explored using Knowledge Hierarchy (KH) dan Question Hierarchy (QH). Then by measured the Effect Size (ES) the result shown that no differences of student communi-cation ability by KH and there is difference in student communication ability using QH. RISC class student question frequency has the high lever question and the most frequency among the three classes
