Experiences of Latinos with Diabetes in the Central San Joaquin Valley Page: 14
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Therefore, the proposed TPB model takes into account the level of control an individual
perceives to possess. When defined within the bounds of the TPB, perceived behavioral control
is assumed to be derivative of, "...readily accessible beliefs...about resources and obstacles that
can facilitate or interfere with performance of a given behavior" (Ajzen 2012, 18). For example,
a patient attending the CSV Diabetes Education Program will find behavior change more
difficult to accomplish if income prevents purchasing the necessary ingredients to make the
appropriate diet changes; this real-life obstacle can influence the patient's overall lack of
perceived behavioral control. This lack of control also effects a patient's behavior and attitude
towards an intended behavior change.
The TPB, as explained by Ajzen (2012), constructs its guiding principles about behavior
in three categories: behavioral, normative, and control beliefs. Behavioral beliefs are those
considered by an individual with respect to likely outcomes and evaluations of the behavior;
these can be positive or negative. Normative beliefs are generally occupied with the expectations
and motivations to comply with actions deemed valuable by important referents; or stated
another way, the perceived social pressure or subjective norm that result from these expectations.
Finally, control beliefs are primarily concerned with the identified impediments or enabling
factors and the level of control over these factors by the individual. Further, the TPB assumes
that an individual's intent is positively associated with stronger, positive attitudes and subjective
norms Therefore, it is presumed that an individual will seize the opportunity to enact behavior
change as soon as it is presented; facilitated by the individual's perceived control (Ajzen 2012).
Interpersonal Considerations
The discussion that follows reviews select theoretical frameworks that turns attention14
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Cortez, Jacqueline Nicole. Experiences of Latinos with Diabetes in the Central San Joaquin Valley, thesis, May 2018; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc1157605/m1/21/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .