Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Cross sectional studies Cross sectional studies PowerPoint Cross sectional studies unit of analysis, variable attribute, variable value, causality, spurious relationship, time order, reverse causation, dependent variable, endogenous concept, independent variable, exogenous concept, cross-sectional research, external invalidity, internal invalidity, reverse causation ut, video /* Number 4 5 */ unit of analysis variable attribute variable value causality spurious relationship time order reverse causation dependent variable endogenous concept independent variable exogenous concept cross-sectional research external invalidity internal invalidity ut video