Method of determination sample size in quasi-experimental Design?

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Hom Nath Chalise

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This link may help

https://www.researchgate.net/post/sample_size_for_quasi_experiment_quasi_experimental_nonequivalent_control_group_design

Please also check

https://www.researchgate.net/post/How_do_I_calculate_the_sample_size_for_a_pre-post_quasi-experimental_study_with_control_group_to_see_the_effect_of_interventions_on_hand_hygiene_rates2