The Seba library treats Intervening Variable in 9 passages, across 5 authors (including Porges, Stephen W., Hillman, James, Haeyen, Suzanne).
This model positions autonomic state as an intervening variable mediating the interpretation of contextual cues and shaping our reactions.
Porges assigns autonomic state the formal role of intervening variable, arguing that the same contextual cues produce different behavioral and cognitive outcomes depending on the individual's physiological condition.
, Polyvagal Theory: A Science of Safety, 2022thesis
just this peculiar and paradoxical intervening variable gives one the sense of having or being a soul.
Hillman appropriates the scientific term to characterize soul, arguing that its mediating, never-directly-graspable quality is precisely what confers the felt reality of interiority.
, Re-Visioning Psychology, 1975thesis
But just this peculiar and paradoxical intervening variable gives one the sense of having or being a soul.
A parallel formulation from Hillman's collected writings reaffirms that soul functions as a paradoxical mediating term between events and experienced meaning, defying objective quantification.
, A Blue Fire: The Essential James Hillman, 1989thesis
The physiological state is an intervening variable that may buffer or exacerbate the effective impact of stress and trauma.
Haeyen extends Porges's framework to creative-arts therapy, asserting that physiological state mediates whether stress and trauma are amplified or attenuated in clinical treatment.
, A theoretical exploration of polyvagal theory in creative arts and psychomotor therapies for emotion regulation in stress and trauma, 2024thesis
The autonomic state functions as an intervening variable (Porges, 2023).
Haeyen cites Porges directly to ground the claim that the autonomic nervous system's hierarchical organization operates as a mediating mechanism between environment and human behavior.
, A theoretical exploration of polyvagal theory in creative arts and psychomotor therapies for emotion regulation in stress and trauma, 2024supporting
the use of that concept has diminished as we have come to realize that such a broad abstract intervening variable cannot be credibly linked to unitary brain processes.
Panksepp critiques the classical 'drive' construct as an intervening variable too abstract to map onto specific neural substrates, thereby motivating a shift toward incentive and need-state frameworks.
, Affective Neuroscience The Foundations of Human and Animal, 1998supporting
high levels of group cohesiveness produce many results that may be considered intervening therapy outcome factors.
Yalom uses the concept to describe group cohesiveness as a mediating mechanism between therapeutic process and positive outcome, situating it within an empirical research paradigm.
, The Theory and Practice of Group Psychotherapy, Fifth Edition, 2008supporting
correlate these characteristics with appropriate dependent variables, such as therapy outcome, or perhaps some intervening variable, such as attendance, mode of interaction, or cohesiveness.
Yalom frames the methodological challenge of group therapy research as requiring identification of intervening variables — attendance, interaction mode, cohesiveness — that stand between client characteristics and therapeutic outcome.
, The Theory and Practice of Group Psychotherapy, Fifth Edition, 2008supporting
A Polyvagal perspective shifts the discussion from the external features defining stress and threat to the nervous system's ability to support or disrupt homeostatic functions.
Porges contextualizes the intervening-variable framework by arguing that stress and threat concepts are insufficient without a mediating account of the nervous system's homeostatic role.
, Polyvagal Theory: A Science of Safety, 2022aside