The health of economies is often measured by the number of individuals who are attached to the workforce and who are actively employed. An examination of current economic outcome measures in the United States suggest that the U.S. is currently in a changing and robust labor market with unemployment hovering around 3.5% at the end of 2021 (1). Unfortunately, employment outcome measures indicate that the economic and employment realities for individuals with disabilities is quite different. The unemployment rate for individuals with disabilities is two times that of individuals without disabilities (7.9%) (1) while the American Community Survey (ASC) reports that only 37.8% of non-institutionalized individuals with disabilities between the ages of 21–64 are employed (2). When outcome data are drilled down by disability, individuals with the most significant disabilities (MSD) are even less likely to be employed. In fact, only 21.1% of individuals receiving day supports from state intellectual and developmental disability agencies are employed in competitive integrated employment (3).

These data are discouraging because research consistently demonstrates that when individuals with disabilities are engaged in competitive integrated employment (CIE), they experience improved outcomes in economic, psychological, and physical health factors (4). For example, individuals who participate in CIE earn more money (5, 6), tend to work more hours than their counterparts in sheltered work or group integrated work settings (7), and have more personal independence and self-determination (8, 9). Given what we know about the benefits of CIE, there has been a U.S. federal priority to increase high-quality job and career opportunities for individuals with significant barriers to employment, which includes individuals with MSD [e.g., (1012)]. Despite these amendments, rules, and corresponding funding provisions to support individuals with MSD to find and maintain CIE, changes in employment outcomes remain slow and, in some cases, stagnate. Agencies and programs typically use distal employment outcome measures (i.e., employed or not employed, full-time or part-time, and continuous measures such as wage, hours worked, and type of job) to determine the success of employment programs and supports for individuals with disabilities. Unfortunately, relying exclusively on employment outcome measures does not provide sufficient information about what variables positively or negatively effect valued employment outcomes. Researchers, policy makers, and practitioners must adopt robust measurement strategies to ensure employment programs who support individuals with MSD formally link the taxonomy of an intervention or program to short-term (proximal) outcomes and long term (distal) outcomes. Ongoing adjustments to employment programs or interventions should be made based on evaluation of the process which in turn ensure practitioners are using validated strategies that help job seekers with MSD obtain and maintain meaningful work. The purpose of this article is to describe how employment programs can link proximal and distal outcomes to specific processes for employment. A customized employment framework will be used to illustrate how systematically linking outcomes and processes improves accountability in programs that support job seekers with MSD.

Description of Current Outcome Measures

Both proximal and distal outcome measures are used to determine the impact of a program or intervention. Both measures attempt to answer, “what happened” after an intervention or program is implemented. Proximal outcome measures include data that is collected during program implementation and provide information about the most immediate and observable outcome of a program or intervention. Distal outcome measures include data that is collected after program or intervention implemented and are designed to determine the outcomes the program or intervention was intended to achieve (13). Policy makers, researchers, agencies commonly use distal outcome measures such as employed or not employed, type of job, benefited or not benefitted, hourly wage, monthly income, and hours worked per week to determine the success of an employment program.

The American Community Survey (ACS) is an example of a distal outcome measure that is used to inform policy. The ACS is an annual supplement to the U.S. Census and provides large-scale, aggregate distal outcome measures. The ACS provides information about demographics and social and economic statistics that serve as a base for the administration and evaluation of U.S. government programs (14). For disability related demographics, the ACS compiles data on six disability areas related to functional limitations in hearing, vision, cognition, ambulation, self-care, and independent living. For employment measures, the ACS examines employment status, number of weeks worked, and number of hours worked per week. According to Erickson (14), an individual is considered employed if one of two conditions are met. First, the individual works as a paid employee, works in his or her own business, works on his or her farm, or works 15 or more hours as an unpaid worker on a family farm or business. Second, the individual has a job but is not at work during the reference period (i.e., the individual was not working because of illness, bad weather, vacation, or other personal reasons). The ACS defines the reference period as the week prior to the ACS questionnaire being completed. The ACS also measures full-time/full-year employment. Full-time employment is defined as working 50–52 weeks in the previous 12 months and at least 35-h per week.

The Rehabilitation Services Administration (RSA) 911 data is an example of an agency specific distal outcome measure. The RSA-911 data is mandated by the Rehabilitation Act as amended by the Workforce Innovation and Opportunity Act (10) and is used to describe the performance of the vocational rehabilitation (VR) and supported employment (SE) programs in the annual report to the U.S. Congress (15). State VR agencies are required to submit RSA-911 data on a quarterly reporting period. RSA-911data submitted by each state VR agency is aggregated employment outcome data based on VR service recipient outcomes. Among many items, states report on demographics, service interventions (i.e., supported employment, customized employment), the hourly wage at the time an individual exits the program, hours worked, employment status (i.e., employed, not employed, registered apprenticeship), benefits received, and primary occupation using the Standard Occupational Classification.

Process Measures

Process measures attempt to answer and document “how something happened” and provide a robust assessment of how well or the fidelity to which practitioners implement a program or intervention (16). The early use of process measures can be traced to improving manufacturing during World War I to monitor the quality of the manufacturing process (17) and the measurement construct has been adopted and is commonly used in the medical field to measure quality in specific medical procedures and treatments (18). Process measures help practitioners obtain actionable information to understand (a) what was done, (b) whether the action was done well (to fidelity), and (c) whether that action was implemented in a timely fashion (17). Using process measures requires systematic analysis of each process for a program or intervention and should be developed using empirical information rather than anecdotal observations of a specific process. Process measures should have demonstrated reliability and validity before they can be used as measures to improve performance and they should be connected and applied to both proximal and distal outcomes (19). Process measures may include information about what services the individual received, the fidelity to which the provider implemented a specific intervention or service, and whether the intervention or service aligns with validated practices. These measures do not guarantee change in outcomes, but they allow programs and practitioners to determine how a program or intervention is directly impacting proximal and distal outcomes. Systematically gathering process data allows programs to make meaningful adjustments to individualized employment programs and interventions that will increase overall distal outcomes. Unfortunately, the use of process measures in human services and rehabilitation fields is limited.

Actionable Recommendation: Application for Job Seekers With MSD

For most working-age adults, the pathway to meaningful employment occurs over the lifespan (20), is based on a congruence between personality types and work environments (21), and is based on mutual interaction between the individual and the work environment (22). Finding and maintaining meaningful work is based on experiences and unfortunately, individuals with disabilities, especially those with MSD are more isolated and segregated (3, 23, 24) and are engaged in activities and supports that do not represent the demands of integrated community environments (25). As a result, individuals with MSD do not always engage in the full range of experiences that we know help build career identities and pathways and they need individually tailored interventions and supports to navigate, find, and maintain CIE (26). When employment programs measure distal outcomes only, they cannot be sure if changes in practices occurred and that job seekers with MSD are engaged in validated activities lead to CIE. Therefore, employment programs can ensure consistent and validated employment supports are implemented by adapting Donabedian’s (27) approach to quality evaluation. Donabedian suggested that improvements in outcomes are made when a combination of measures including structure, process, and outcome measures are used to measure the quality of care. Using both process and outcome measures is important because they help connect a program or intervention to a specific outcome. Employment support programs can ensure program success by measuring and formally linking employment process measures to proximal and distal employment outcome and related measures.

A Customized Employment Framework for Linking Process and Outcome Measures

Customized Employment (CE) represents a departure from traditional employment support methods and is designed to support individuals with MSD to find and maintain competitive integrated employment. CE is a sequential, cumulative process consisting of discovery, customized job development, and ongoing training and support. CE begins with discovery, which is psychosocial rehabilitation process used to determine an individual’s strengths, interests, skills, and support needs to obtain and maintain customized employment (28). The discovery process includes interviews, observations, documentation review, and interactions with the job seeker (29). Discovery also uses observations of the employment seeker engaged in familiar and less familiar activities and requires interviews with family members and other influential persons in the job seeker’s life. This information is used to develop well-coordinated customized job development activities. Customized job development activities use an informational interview framework to learn more about employers, working conditions, and other potential employers who engage in similar work. Jobs are then negotiated based on an employment proposal that accounts for the job seeker’s unique skills and interest and the qualified employment specialist creates a job site analysis and plan.

Effective implementation of CE requires the qualified employment specialist to understand each component process of the discovery and customized job development. While it appears that qualified employment specialists are trained to implement critical components of CE, they are not implementing the components to fidelity (30). Integrating process measures with proximal and distal outcome measures can be used to ensure fidelity to intervention, evaluation, and adjusting components of the CE process. One way to measure the CE process is by using validated fidelity scales that have operationalized descriptions of what constitutes high-quality implementation for each element of the CE process. The Discovery Fidelity Scale (DFS) (31) and Job Development Fidelity Scales (JDFS) (32) are designed to operationalize the process for CE. The DFS was designed to measure fidelity to CE discovery best practices at both the systems and services levels. The systems fidelity measure examines processes for authorization and access, financing, and qualification of providers while the services fidelity measure examines the alignment of CE best practice to service implementation such as home and community observations, discovery activities, informational interviews, vocational profiles, and plans. The DFS has undergone several validation studies. First, Riesen et al. (33) used a three round, modified Delphi process to generate consensus about what experts believe are acceptable and not acceptable tenets of the DFS. The Delphi panel reviewed and rated the fidelity descriptors for discovery systems and services. The information obtained from the Delphi study was used to further refine the scale and Riesen et al. (28) conducted a study to determine the internal consistency of items on the DFS and the respective constructs. Results suggest that both the systems and services constructs have acceptable internal consistency. The final DFS consists of two subsections: discovery systems fidelity and discovery services fidelity. The systems section consists of five discovery system tenets and corresponding scaled fidelity descriptors. The services section consists of ten discovery services tenets and corresponding scaled fidelity descriptors. The scaled fidelity descriptors for each of the systems and services tenets represent levels of fidelity to the discovery process for each respective tenet.

The JDFS was designed to measure how to engage businesses that align with the job seeker’s strengths and vocational interests. The JDFS consists of two sections: job development systems fidelity and job development services fidelity. Systems fidelity tenets cover the foundation for customized job development referrals; the incorporation of information gathered during discovery in the job development plans; and elements related to customized job development personnel, provider responsibilities, and transportation. Services fidelity tenets include building job-development plans based on discovery findings; using an informational interview approach to contact businesses; analyzing workplace cultures to ensure ecological fit; negotiating mutually beneficial and customized employment opportunities, including job creation through resource ownership or self-employment as appropriate; and maximizing opportunities for long-term career development and growth. Riesen et al. (34) used the Delphi method to build consensus among CE professionals about items on the JDFS and found that customized employment experts believed the fidelity descriptors had value when measuring fidelity to customized job development practice.

A conceptualization for integrating and linking processes and corresponding proximal and distal outcomes for CE discovery and job development are outlined in Figure 1 and specific descriptions for the processes, process measures, and proximal and distal outcomes are in Table 1. As illustrated in the figure, discovery is the initial CE process with two components: systems and services. The systems processes ensure that discovery is appropriately authorized and financed while the services process ensures that discovery is appropriately implemented by a qualified employment specialist, the critical components of the discovery are followed, and the process accurately determines an individual’s strengths, interests, skills, and support needs to obtain and maintain customized employment. For example, a critical discovery services process is to conduct home and neighborhood observations and observe the job seeker engaged in task-based activities. From the information gathered during these observations, the qualified employment specialist and the job seeker identify emerging vocational themes (i.e., career identity). Once themes are identified, the qualified employment specialist develops a list of potential employers that align with the identified vocational themes. Informational interviews are subsequently conducted with several employers to confirm if the type of work performed at the workplace aligns with the job seeker’s interest and needs. The proximal outcome for this process is a fully developed vocational profile with an operational plan for customized job development. Linking process measures to proximal outcomes for both systems and service level discovery provides the necessary information to evaluate each process to determine whether specific adjustments to the process need to be made. If the process did not produce the desired proximal outcomes, adjustments are made to the process until the desired proximal outcome is achieved. If adjustments are not needed, the next service level process is implemented, evaluated, and adjusted.

Figure 1. A conceptualization for integrating and linking processes and corresponding proximal and distal outcomes for CE.

Table 1. Process, process measures, and proximal and distal outcomes for CE discovery.

After the discovery process is completed, a job seeker begins the process of customized job development. There are two components involved in the customized job development process: systems and services job development. Table 2 outlines the measures for customized job development. The job development systems process components ensure that customized job development is accurately funded, community partners necessary for successful employment are identified, and the jobseeker has access to adequate transportation at the same rate as other services provided. The services process and measures ensure that customized job development activities align with the job seeker’s ideal conditions of employment and career identity. They also ensure that the employment specialist and job seeker are engaging meaningfully with businesses and documenting the types of tasks and activities performed at the business. The proximal outcomes for customized job development are a completed worksite and job task analysis, developed proposal for a customized job, and a fully developed job site training plan. Finally, distal outcome data is collected and examined to determine the overall efficacy of the CE process.

Table 2. Process, process measures, and proximal and distal outcomes for CE job development.


The perennially low employment rates for individuals with MSD underscore the importance of expanding, connecting, and balancing measures used to determine the quality and success of employment programs for individuals with MSD. The most common framework for determining success of employment programs relies on distal outcome measures. Unfortunately, relying only on distal employment outcomes as an indicator of program success is problematic because distal outcomes are often influenced by other non-intervention/program factors (16, 35). Without objectively measuring fidelity to the process and linking the process to proximal and distal outcomes, we run the risk of agencies and practitioners believing they are implementing effective programs when they are not. Therefore, as researchers, policy makers, funding agencies, and practitioners examine how to improve outcomes for individuals with MSD, they should adopt more balanced measures to determine the efficacy of employment support programs and interventions. From a research and policy prospective, using both process and outcome measures ensures that employment support practices are operationalized and replicable. From a funding perspective, a balance set of process and outcome measures provides funding agencies a mechanism to continually evaluate the efficacy of the programs and invest in programs that demonstrate positive process and outcome measures for individuals with MSD. Finally, from a practitioner perspective, linking process and outcome measures allows practitioners to continually assess the program or intervention so that meaningful adjustments can be made.

Author Contributions

CR and AS contributed to the manuscript by conceptualizing and writing specific sections. All authors contributed to the article and approved the submitted version.

Conflict of Interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

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