The
purposes of this research were to : (1) study the efficiency of Echo English
application in developing listening and speaking skills in English for Communication
subject of students at Dhonburi Rajabhat University Samutprakarn (2) compare listening
and speaking skills of students in English for communication subject before and
after studying (3) study students’
satisfaction on studying in English for Communication subject through
Echo English application. The sample of used in this study consisted of 60
undergraduates who studied English for Communication, 11 students were from Faculty of Science and Technology in the
Computer Science program and 49 students were from Faculty of Management
Science in the Logistic program by using a simple random sampling. Data were
collected by speaking assessment, listening assessment and questionnaire surveying
student’s satisfaction toward studying through Echo English application and analyzed
by using E1/E2 efficiency index, t-test, mean, percentage, standard deviation, t-test
dependent, reliability, discrimination, difficulty, validity and Pearson
product-moment correlation coefficient. The research findings revealed that: (1) The efficiency of listening and speaking
skills in English for Communication subject of students at Dhonburi Rajabhat
University Samutprakarn through Echo English application were higher than a
defined criteria (E1/E2) 87.02/85.14 (2) The posttest for listening and speaking skills in English
for Communication subject was higher than pretest. The average score in
listening and speaking skills pretest was 26.88 and the standard deviation
(S.D.) was 6.64 ; on the contrary, the average score in listening and speaking
skills posttest was 51.08 and the standard deviation (S.D.) was 3.01 (3) The
satisfaction of the students who studied English for Communication subject through
Echo English application was at a high level (x̄= 4.27 , SD = 0.12)
