Demonstrating the differential effectiveness of instructional approaches for learners is difficult because learners differ on multiple dimensions. The present study tests a person-centered approach to investigating differential effectiveness, in this case of reading instruction. In N = 517 German third-grade students, latent profile analysis…

Literacy influences all aspects of life. Unfortunately, a rising number of students struggle with reading and spelling, which can result in enormous educational barriers. Difficulties in literacy accompanied by learning-related problem behavior can create additional risk factors. Effective interventions for these students should consider…

In transparent orthographies like German, isolated learning disabilities in either reading or spelling are common and occur as often as a combined reading and spelling disability. However, most issues surrounding the cognitive causes of these isolated or combined literacy difficulties are yet unresolved. Recently, working memory dysfunctions have…