Group tests are used widely in education, military, and industry for screening and placement purposes. They became popular during WWI with the development of tests like the Army Alpha and Army Beta tests. Group tests are administered to multiple individuals simultaneously and rely on simplified, written instructions and multiple choice or open-ended items. They provide standardized scores for comparison but provide less accurate information than individual tests. Adaptive and computer-based tests can provide more accurate scores in less time. Achievement and aptitude tests measure acquired skills and innate abilities, respectively, and are used at various educational levels for diagnostic, formative, summative, and prognostic purposes. Learning disabilities affect how information is processed and can impact areas like reading, writing, math