Appendix 5. Historical Summary of Database Content Changes - O*NET 29.1 Data Dictionary at O*NET Resource Center

O*NET Database Content Changes 28.2 - 29.1

	Release
	28.2	28.3	29.0	29.1
Knowledge	C		U
Skills	C		U
Abilities	C		U
Education, Training, and Experience	C		U
Education, Training, and Experience Categories
Job Zones			U	U
Job Zone Reference
Interests
Work Values
Work Styles	C		U
Task Statements		C	U
Task Ratings	C		U
Task Categories
Emerging Tasks			U,C
Technology Skills	U	U		U
Tools Used	U			U
UNSPSC Reference
Work Activities	C		U
IWA Reference
DWA Reference
Tasks to DWAs			U
Work Context	C		U
Work Context Categories
Occupation Data
Alternate Titles		U	U
Sample of Reported Titles		U	U
Related Occupations	U
Content Model Reference
Occupation Level Metadata			U
Level Scale Anchors
Scales Reference
Survey Booklet Locations
Abilities to Work Activities
Abilities to Work Context
Skills to Work Activities
Skills to Work Context
RIASEC Keywords
Basic Interests to RIASEC
Interests Illustrative Activities
Interests Illustrative Occupations

O*NET Database Content Changes 25.1 - 28.1

	Release
	25.1	25.2	25.3	26.0	26.1	26.2	26.3	27.0	27.1	27.2	27.3	28.0	28.1
Knowledge	C			U				U				U
Skills	C			U				U				U
Abilities	C			U				U				U
Education, Training, and Experience	C			U				U				U
Education, Training, and Experience Categories
Job Zones	C			U	C			U				U
Job Zone Reference
Interests	C												U
Work Values	C
Work Styles	C			U				U				U
Task Statements	U,C			U				U				U	C
Task Ratings	C			U				U				U
Task Categories
Emerging Tasks	C			U				U				U
Technology Skills	U	U	U		U	U	U		U,N		U		U
Tools Used	U	U	U		U	U	U
UNSPSC Reference		U			U
Work Activities	C			U				U				U
IWA Reference
DWA Reference	U			U
Tasks to DWAs	U,C			U				U				U
Work Context	C			U				U				U
Work Context Categories
Occupation Data	C
Alternate Titles	U,C		U	U	U	U		U	U	U		U	U
Sample of Reported Titles	U,C		U	U	U	U		U		U		U
Career Changers Matrix	C
Career Starters Matrix	C
Related Occupations							N
Content Model Reference				C	C					C		C
Occupation Level Metadata	C			U				U				U
Level Scale Anchors				C	C
Scales Reference
Survey Booklet Locations
Abilities to Work Activities
Abilities to Work Context
Skills to Work Activities				C
Skills to Work Context				C
RIASEC Keywords										N
Basic Interests to RIASEC										N
Interests Illustrative Activities										N	N
Interests Illustrative Occupations										N

O*NET Database Content Changes 22.0 - 25.0

	Release
	22.0	22.1	22.2	22.3	23.0	23.1	23.2	23.3	24.0	24.1	24.2	24.3	25.0
Knowledge	U				U				U				U
Skills	U				U				U				U
Abilities	U				U				U				U
Education, Training, and Experience	U				U				U				U
Education, Training, and Experience Categories
Job Zones	U				U				U				U
Job Zone Reference									C
Interests
Work Values
Work Styles	U				U				U				U
Task Statements	U				U				U				U
Task Ratings	U				U				U				U
Task Categories
Emerging Tasks	U				U				U				U
Technology Skills							N	U		U	U	U
Tools Used							N			U
Tools and Technology		U	U	U		U	U	U		U
UNSPSC Reference		U	U
Work Activities	U				U				U				U
IWA Reference
DWA Reference									U
Tasks to DWAs	U				U				U				U
Work Context	U				U				U				U
Work Context Categories
Occupation Data
Alternate Titles	U	U	U	U	U	U		U	U	U	U	U	U
Sample of Reported Titles	U		U	U	U	U	U	U	U	U	U	U	U
Career Changers Matrix
Career Starters Matrix
Green Occupations
Green Task Statements	U				U				U
Tasks to Green DWAs	U				U				U
Green DWA Reference
Content Model Reference
Occupation Level Metadata	U				U				U				U
Level Scale Anchors
Scales Reference
Survey Booklet Locations	N,C
Abilities to Work Activities											N
Abilities to Work Context											N
Skills to Work Activities											N
Skills to Work Context											N

O*NET Database Content Changes 16.0 - 21.3

	Release
	16.0	17.0	18.0	18.1	19.0	20.0	20.1	20.2	20.3	21.0	21.1	21.2	21.3
Knowledge	U	U	U		U	U				U
Skills	U	U	U		U	U				U
Abilities	U	U	U		U	U				U
Education, Training, and Experience	U	U	U		U	U				U
Education, Training, and Experience Categories
Job Zones	U	U	U		U	U				U
Job Zone Reference					C					C
Interests			U
Work Values		U
Work Styles	U	U	U		U	U				U
Task Statements	U,C	U	U		U	U				U
Task Ratings	U	U	U		U	U				U
Task Categories
Emerging Tasks							N			U
Tools and Technology							N	U	U	U,N	U	U	U
UNSPSC Reference							N	U			U	U
Work Activities	U	U	U		U	U				U
IWA Reference				N
DWA Reference				N	U
Tasks to DWAs				N	U	U				U
Work Context	U	U	U		U	U				U
Work Context Categories
Occupation Data
Alternate Titles							N	U	U	U		U	U
Sample of Reported Titles							N			U	U		U
Career Changers Matrix							N
Career Starters Matrix							N
Green Occupations	N
Green Task Statements	N	U	U		U	U				U
Tasks to Green DWAs				N	U	U				U
Green DWA Reference				N
Content Model Reference					N,C	N,C				N,C
Occupation Level Metadata	U,C	U	U		U	U				U,N,C
Level Scale Anchors
Scales Reference
Survey Booklet Locations	C				C

O*NET Database Content Changes 5.0 - 15.1

	Release
	5.0	5.1	6.0	7.0	8.0	9.0	10.0	11.0	12.0	13.0	14.0	15.0	15.1
Knowledge	U	N	U	U	U	U	U,C	U	U	U	U	U	C
Skills	U,N	N	U	U	U	U	U,C	U	U	U	U,C	U	C
Abilities	U,N	N,C	U	U	U	U	U,C	U	U	U	U	U	C
Education, Training, and Experience	N	N	U	U	U	U	U,C	U	U	U	U	U	C
Education, Training, and Experience Categories						C
Job Zones		N	U	U	U,C	U,C	U,C	U	U,C	U	U	U	C
Job Zone Reference						C					C
Interests	N						C			U	U		C
Work Values	N						C			U	U		C
Work Styles	N	N	U	U	U	U	U,C	U	U	U	U	U	C
Tasks	U,N	U,N,C	U,N,C	U,N,C	U,N,C	U,N,C	U,N,C	U	U
Task Statements										U,C	U	U	C
Task Ratings										U,C	U	U	C
Task Categories										C
Work Activities	U,N	N	U	U	U	U	U,C	U	U	U	U	U	C
Work Context	U,N	N	U	U	U	U	U,C	U	U	U	U	U	C
Work Context Categories						C
Occupation Data			U,C		C	C	C				C	U	C
Content Model Reference						C		C		N,C
Occupation Level Metadata		N	U	U	U	U	U,C	U	U	U	U	U	C
Level Scale Anchors		N	U		C	C
Scales Reference		C								C
Survey Booklet Locations	N									N,C