THE EFFECTS OF BLENDED TRAINING ON THE ACCURACY OF OVERHAND SERVING IN FEMALE VOLLEYBALL PLAYERS AT NAKHON PATHOM RAJABHAT UNIVERSITY

Abstract

This research article aimed 1) to examine the effects of blended training on the accuracy of overhand serving among female volleyball players at Nakhon Pathom Rajabhat University and 2) to compare the effects of blended training on overhand serving accuracy before and after an 8 week training period. This study was a quasi-experimental research design. The population consisted of 14 volleyball players from Nakhon Pathom Rajabhat University, and the sample comprised 12 female volleyball players selected using a purposive sampling method. The research instruments included a blended training on the accuracy of overhand serving and an overhand serving accuracy test for female volleyball players at Nakhon Pathom Rajabhat University. Content validity was confirmed using the Index of Item-Objective Congruence (IOC), which yielded a value of 1.00, and the reliability coefficient was .96. The data were analyzed by comparing overhand serving accuracy within the group using a dependent t-test before and after 8 weeks of training. Before the training, the experimental group had a mean overhand serving accuracy score of 9.83 with a standard deviation (SD) of 1.40. After 8 weeks of training, the experimental group had a mean overhand serving accuracy score of 19.58 with a standard deviation (SD) of 3.31. The results indicated that the female volleyball players at Nakhon Pathom Rajabhat University demonstrated significantly higher overhand serving accuracy after 8 weeks of training than before the training (p < .05).