Local molar causal validity was proposed to relabel internal validity. Internal validity has not focused on reproducibility or inferences to the target population. Local molar causality was introduced to emphasized that internal validity has never accounted for certain types of inferences that social scientists make and has only focused on causal inferences. It is important to recognize that causal conclusions are limited to the specific content of particular treatments, outcomes, times, and people studied. Additionally, testing experimental treatments are complex and consist of many different components, and not just the component intended to study. Experiments should test each component individually. Local molar causal validity identifies
