Retrospective means about the past. A retrospective case study would see a psychologist investigate the influence a person's past has on their current thoughts, feelings, and behaviours. For an example of a retrospective case study click on Little Hans. See longitudinal.
                                                            
                                                     
                        
                                                
                        
                        
                            Looking back. A retrospective study is a case-control study.
                                                            
                                                     
                        
                                                
                        
                        
                            a comprehensive look at a true master of photography
                                                            
                                                     
                        
                                                
                        
                        
                            a meeting, in which a team to looks back on a past period of working together so that they can learn from their experience and apply lessons learned to future projects
                                                            
                                                     
                        
                                                
                        
                        
                        
                                                
                        
                        
                            Adjective describing an observational study in which information is collected on subjects' past experience. A case-control study more specifically involves a sample of individuals having a particular disease as well as a sample of individuals not having the disease, and collects information about the individuals' past exposure to putative causes of the disease.
                                                            
                                                     
                        
                                                
                        
                        
                            Looking backwards in time.
                                                            
                                                     
                        
                                                
                        
                        
                            Literally, a look back in history. A "retrospective study" reviews the treatment of a disease over a period of time and the individual's long-term response to therapy.
                                                            
                                                     
                        
                                                
                        
                        
                            Looking backward on the past, on what has already taken place. A retrospective study looks backward in time, usually using medical records and interviews with patients who already known to have or have had a disease.
                                                            
                                                     
                        
                                                
                        
                        
                            Looking back at events that have already taken place.
                                                            
                                                     
                        
                                                
                        
                        
                            With effect from an earlier date; looking backward.
                                                            
                                                     
                        
                                                
                        
                        
                            Looking back, looking at the past.
                                                            
                                                     
                        
                                                
                        
                        
                            type of scientific study which looks back in time, often at medical records
                                                            
                                                     
                        
                                                
                        
                        
                            An exhibition of an artist's work that shows a number of pieces, usually covering a span of years, to give the viewer the opportunity to study changes and developments in style.