[en] In this study, Feynman-α experiment was conducted on AGN-210K research reactor of Kyung Hee University, Korea. A sufficient number of data is required to use the Feynman-α method. For this purpose, the experiment was conducted with a device designed by Korea Electric Power Research Institute (KEPRI) using 10 μsec as the gate time. To calculate the criticality, the time swap method and the random selection method were used as the experimental data processing method. The time-swap method is called 'Bunching technique' and is one of the widely used methods in the Feynman-α experiment. The Random selecting method is a method in which several Y values are calculated at the same gate time by randomly setting the start point of data selection from experimental data and the interval between gate time and gate time. In order to compare the experiment data, the k-value was calculated using MCNP6 and estimated through the control rod worth. The criticality, the delayed neutron fraction and neutron generation time were calculated using the MCNP6 under the same conditions as in the experiment, and the criticality was estimated using the control rod worth obtained from the compensation method by comparing the control rod position between the critical state of experiment and each experiments. As a result, the differences of the criticality between estimation from rod worth, MCNP6 results and the methods are within 300pcm. (author)