Editing Holland Codes (section)

===R: Realistic (Doers)===
Holland defines the "Realistic Type" as a person who has “a preference for activities that entail the explicit, ordered, or systematic manipulation of objects, tools, machines, and animals…these behavioral tendencies lead in turn to the acquisition of manual, mechanical, agricultural, electrical, and technical competencies.”<ref name=hollandR>{{cite book
 |last=Holland
 |first=John
 |author-link=
 |date=1997
 |title=Making Vocational Choices: A Theory of Vocational Personalities and Work Environments (Third Edition)'
 |url=
 |location=Florida
 |publisher=PAR
 |page= 21
 |isbn=0-911907-27-0
}}</ref> Sample majors and careers include:

*Agriculture<ref name=del>{{cite web
|url=https://labor.delaware.gov/divisions/oolmi/publications/delaware-career-compass/
|title=Delaware Department of Labor@Delaware Career Compass
|access-date=January 17, 2021
|publisher=[[Delaware#Law and government|State of Delaware]]}}</ref> 
*Architect (with Artistic and Enterprising)<ref name=del/> 
*[[Athletics (physical culture)|Athletics]]<ref name="Georgetown" />
*Carpenter (with Conventional and Investigative)<ref name=del/>
*[[Culinary art]]s/Chef (with Artistic and Enterprising)<ref name = awc/>
*[[Chemistry]]/[[Chemist]] (with Investigative and Conventional)<ref name=del/>
*[[Computer engineering]]/[[Computer science]]/Information technology/[[Computer programming|Computer programmer]] (with Investigative and Conventional)<ref name=del/><ref name="Georgetown">{{cite web
|url=https://georgetown.app.box.com/s/ckqw7fdbptyjbjxz3ylh
|title=Career/Major Interests Game
|access-date=December 7, 2015
|publisher=[[Georgetown University]]
}}</ref> 
*Dentist (with Investigative and Social)<ref name=del/>
*Engineer (with Investigative and Conventional)<ref name=del/><ref name="Georgetown" />
*Fashion design (with Artistic and Enterprising)<ref name=del/>
*[[Firefighter]] (with Social and Enterprising)<ref name=del/> 
*[[Graphic designer]] (with Artistic and Enterprising)<ref name=del/> 
*[[Model (people)]] (with Artistic and Enterprising)<ref name=del/>
*Musician (with Artistic and Enterprising)<ref name=del/>
*Nurse (with Social, Conventional, and Investigative)<ref name=del/><ref name="Georgetown" />
*[[Outdoor recreation]]<ref name="Georgetown" />
*[[Park ranger|Park Naturalist]] (with Social and Artistic)<ref name=del/>
*[[Personal trainer]] (with Enterprising and Social)<ref name=del/>
*Photographer (with Artistic and Enterprising)<ref name=del/>
*[[Physical therapy]] (with Social and Investigative)<ref name=del/>
*[[Driving|Driver]]<ref name=del/>
*[[Sports medicine]]/[[Wilderness medicine (practice)|Wilderness medicine]] (with Social and Investigative)<ref name=sm>{{cite web
|url=https://www.onetonline.org/link/summary/29-1069.11
|title=Sports Medicine Physicians
|access-date=June 25, 2020
|publisher=ONET
}}</ref>
*Surgeon (with Investigative and Social)<ref name=del/>
*[[Veterinarian]] (with Investigative and Social)<ref name=del/>
*[[Web developer]] (with Conventional, Artistic, and Investigative)<ref name=del/>
*[[Zoologist|Zoologists and Wildlife Biologists]] (with Investigative)<ref name=del/>