⊿ Point. {R} Glossary. ◢ Keyword: R. ◥ University. {q} PhD. {tr} Training. ⚫ UK. ↂ EndNote. ☢️ Case Study. ☝️ Weerakkody. Case study (psychology) From Wikipedia, the free encyclopedia One major advantage of the case study in psychology is the potential for the development of novel hypotheses for later testing. Second, the case study can provide detailed descriptions of specific and rare cases Case studies cannot be used to determine causation.