| Capability | | | |
| Psychological capability | Knowledge | An awareness of the existence of something | Understanding and being familiar with ACP-related knowledge |
| Memory, attention and decision processes | The ability to retain information, selectively focus on aspects of the environment and choose between two or more alternatives | Ability to remember, focus, and select ACP |
| Behavioural regulation | Anything aiming at managing or changing objectively observed or measured actions | Using healthy behaviors to manage emotions and pursue goals |
| Physical capability | Skills | An ability or proficiency acquired through practice | Acquiring the ability or skill to engage in ACP through practice, including physiological and cognitive skills |
| Opportunity | | | |
| Social opportunity | Social influences | Those interpersonal processes that can cause individuals to change their thoughts, feelings, or behaviors | The process of social activities that enable individuals to change their cognition and behavior about ACP |
| Physical opportunity | Environmental context and resources | Any circumstance of a person's situation or environment that discourages or encourages the development of skills and abilities, independence, social competence, and adaptive behavior | Personal conditions and environments that influence ACP engagement |
| Motivation | | | |
| Reflective motivation | Beliefs about capabilities | Acceptance of the truth, reality, or validity about an ability, talent, or facility that a person can put to constructive use | Believing that individuals have enough knowledge about ACP and can participate in ACP discussions |
| Goals | Mental representations of outcomes or end states that an individual wants to achieve | The psychological outcomes that individuals want to achieve |
| Intentions | A conscious decision to perform a behavior or a resolve to act in a certain way | Identifying the skills that are needed to engage in ACP |
| Beliefs about consequences | Acceptance of the truth, reality, or validity about outcomes of a behavior in a given situation | The degree to which the individuals accept the facts or believe that ACP's involvement in the behavior will lead to specific results |
| Automatic motivation | Social/professional role and identity | A coherent set of behaviors and displayed personal qualities of an individual in a social or work setting | Self-perception based on social or professional identity |
| Optimism | The confidence that things will happen for the best or that desired goals will be attained | Confidence that the desired goal will be achieved |
| Reinforcement | Increasing the probability of a response by arranging a dependent relationship, or contingency, between the response and a given stimulus | Promoting and strengthening support for ACP participation |
| Emotion | A complex reaction pattern, involving experiential, behavioural, and physiological elements, by which the individual attempts to deal with a personally significant matter or event | A mental state or emotional response that is determined by an individual's environment |