The document discusses different types of explanations in social science, including event-event, fact-event, and fact-fact explanations. It outlines the hypothetico-deductive method for developing explanations, which involves choosing a theory, specifying a hypothesis, considering alternative explanations, refuting rivals, and strengthening the hypothesis. The document also distinguishes between different types of causal statements and explanations, such as true causal statements, statements about correlations, necessitation, storytelling, statistics, and answers to "why" questions.