(Yin, 2018) Six data collection methods are Group of answer choices interviews, questionnaires and surveys, observations, archived company documents, focus groups, and online or external. interviews, questionnaires and surveys, observations, archived company documents, focus groups, and random sampling. interviews, questionnaires and surveys, observations, archived company documents, focus groups, and thematic analysis. interviews, questionnaires and surveys, observations, archived company documents, focus groups, and a literature review