I think publishing is helpful at all stages. At the internship level, going to an internship site that is a name brand in academia, even if you don't publish anything, or work on research, is probably a good idea. The internship year is traditionally 99% clinical. Some sites offer a research rotation or protected research time. These are potentially good avenues for an academically minded clinical psychologist. At the postdoc level, you'll need to expand your involvement in research. One avenue is to find partial funding through a research lab. For board eligibility, you'll need to do 2 years of clinical work at about a ~50% clip. Many of the APPCN cites are 80/20 (clinical/research). This won't kill you, academically, but you might have to do some additional dues paying afterwards to establish research credentials if you haven't already done so. In my opinion, going through a research lab that is affiliated with an APPCN site makes a lot of sense because if can give you a bit more favorable research to clinical ratio and you can still get top notch clinical experience/training that is consistent with division 40 guidelines.
The best ways to be competitive for postdocs are:
- publish
- publish with well known researchers
- publish in good journals
- have grant experience
- have research experience relevant to whatever lab you are applying to
- work with well known clinicians (to the site you're considering) - e.g., doing an internship at an APPCN postdoc site.
- attend a highly regarded graduate program
- sell yourself well. . . e.g., if your research is not an exact fit, sell how you can provide something unique