Thus, we recommend that nonexperimental psychologists begin to talk openly about causal assumptions and causal effects. At the same time, the taboo does not prevent researchers from interpreting findings as causal effects-the inference is simply made implicitly, and assumptions remain unarticulated. We argue that this taboo against causal inference in nonexperimental psychology impairs study design and data analysis, holds back cumulative research, leads to a disconnect between original findings and how they are interpreted in subsequent work, and limits the relevance of nonexperimental psychology for policy making. However, most psychologists refrain from explicitly addressing causal research questions and avoid drawing causal inference on the basis of nonexperimental evidence. However, we believe that engagement with the Khan Academy platform is currently the best explanation for the LSAT score increases observed in this study.Ĭausal inference is a central goal of research. Study, the possibility of alternative influences on LSAT performance cannot be ruled out. Because this was a quasi-experimental controlled The results also showed that the performance of test takers with lower initial practice exam scores was associated with slightly higher LSAT score gains per practice minute, indicating that these students benefited at least as much as students who scored higher initially. These results held not only for the overall population but also across multiple demographic subgroups.
Our analyses showed that a higher level of engagement (measured in terms of practice time and number of practice exams taken) was associated with higher performance on the LSAT. The purpose of this study was to examine the potential effects of engagement on actual LSAT performance. In September 2020, nearly 70,000 individuals engaged with Khan Academy’s Official LSAT® Prep platform. Free online Law School Admission Test (LSAT) preparation resources from the Law School Admission Council and Khan Academy have been widely utilized by LSAT and LSAT-Flex test takers.
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