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PubMed1986

Psychiatric disturbance and decision-making.

The relationship between psychiatric disorder (as measured by severity of psychoneurotic status and depression) and decision-making behaviour was examined in a sample of 39 hospitalised patients. Measures based on the conflict theory of decision-making of Janis and Mann (1977) and the expectancy-value theory of decision-making of Edwards (1961) were administered. Patients who scored highest on measures of psychoneurotic disorder--the Middlesex Hospital Questionnaire and the Beck Depression Inventory--were least confident about their decision-making. They also reported a high use of maladaptive decision-making coping patterns, in particular decision avoidance. Slightly over one-half of the patients demonstrated an ability to make rational decisions, while the remainder made either irrational decisions or avoided making any decision at all. Observation in the test session revealed that patients were strikingly slow in answering the questionnaires and often attempted to make no response. The importance of this area of research for patient assessment and treatment is discussed.

Adolescent↗

PubMed1989

Adolescent decision-making: the development of competence.

This article reviews evidence relating to the development of competence in decision-making during adolescence. The review focuses on cognitive aspects of decision-making and discusses nine indicators of competence: choice; comprehension; creativity; compromise; consequentiality; correctness; credibility; consistency; and commitment. The evidence suggests that by the age of 15 years many adolescents show a reliable level of competence in metacognitive understanding of decision-making, creative problem-solving, correctness of choice, and commitment to a course of action. Young adolescents (12-14 years) are less able to create options, identify a wide range of risks and benefits, foresee the consequences of alternatives, and gauge the credibility of information from sources with vested interests. No evidence is available relating to age differences in willingness to make choices, devise compromises, and show consistency of choices. Barriers to achieving competence in decision-making during adolescence include attitudinal constraints (e.g. beliefs about the proper age for making decisions), peer group pressures to conformity, breakdowns in family structure and functioning, and restricted legal rights to make important personal decisions (e.g. to donate blood or body tissue).

Adolescent↗

PubMed1992

RXPERT: a prototype expert system for formulary decision making.

OBJECTIVE: RXPERT, a prototype, computer-based, expert system that models the decision-making processes for an ambulatory (non-hospital) formulary, is described as an example of how expert systems may be used to support pharmacy decision making. Basic information about expert-system technology is provided through this example. BACKGROUND: Computer-assisted decision making is becoming an important and accepted aspect of complex, health-related decisions. Because expert-system support may become an integral component of future, complex, pharmacy decision making, it is important for pharmacists to become familiar with this technology and its possibilities for supporting pharmacy decisions. METHOD: Expert systems offer the potential advantages of making the human decision-making process explicit, more consistent, easily duplicated in many locations simultaneously, and easy to update and document. Although an expert system is seldom intended to replace human decision makers, it can provide valuable support for complex, multivariable decisions. Typical knowledge-acquisition and knowledge-engineering techniques, as well as the characteristics and structure of expert systems, are described, relative to the development of the RXPERT prototype. CONCLUSIONS: Although RXPERT is not yet in use, the process for using an expert system to support an individual committee member's personal assessment of a drug product is described. Decision-support expert systems are potentially useful to pharmacists in complex decision-making tasks.

Canada↗

PubMedDate not supplied

How nurses make decisions regarding patient medication.

This study seeks to identify the cues used by nurses which enable them to make decisions regarding the administration of medication. The knowledge base which underpins practice is explored and the relationship between knowledge and practice is considered. The rationale for this study was provoked by the possibility that nurses may be given limited prescribing powers. If this becomes a reality, the nurse's role will involve high level decision making (Morris, 1994). It could be that, in the future, changes in the law on drug administration will affect all nurses on the professional register.

Adult↗

PubMed2006

Hold your horses: a dynamic computational role for the subthalamic nucleus in decision making.

The basal ganglia (BG) coordinate decision making processes by facilitating adaptive frontal motor commands while suppressing others. In previous work, neural network simulations accounted for response selection deficits associated with BG dopamine depletion in Parkinson's disease. Novel predictions from this model have been subsequently confirmed in Parkinson patients and in healthy participants under pharmacological challenge. Nevertheless, one clear limitation of that model is in its omission of the subthalamic nucleus (STN), a key BG structure that participates in both motor and cognitive processes. The present model incorporates the STN and shows that by modulating when a response is executed, the STN reduces premature responding and therefore has substantial effects on which response is ultimately selected, particularly when there are multiple competing responses. Increased cortical response conflict leads to dynamic adjustments in response thresholds via cortico-subthalamic-pallidal pathways. The model accurately captures the dynamics of activity in various BG areas during response selection. Simulated dopamine depletion results in emergent oscillatory activity in BG structures, which has been linked with Parkinson's tremor. Finally, the model accounts for the beneficial effects of STN lesions on these oscillations, but suggests that this benefit may come at the expense of impaired decision making.

Action Potentials↗

PubMed2001

Research information in nurses' clinical decision-making: what is useful?

AIM: To examine those sources of information which nurses find useful for reducing the uncertainty associated with their clinical decisions. BACKGROUND: Nursing research has concentrated almost exclusively on the concept of research implementation. Few, if any, papers examine the use of research knowledge in the context of clinical decision-making. There is a need to establish how useful nurses perceive information sources are, for reducing the uncertainties they face when making clinical decisions. DESIGN: Cross-case analysis involving qualitative interviews, observation, documentary audit and Q methodological modelling of shared subjectivities amongst nurses. The case sites were three large acute hospitals in the north of England, United Kingdom. One hundred and eight nurses were interviewed, 61 of whom were also observed for a total of 180 hours and 122 nurses were involved in the Q modelling exercise. RESULTS: Text-based and electronic sources of research-based information yielded only small amounts of utility for practising clinicians. Despite isolating four significantly different perspectives on what sources were useful for clinical decision-making, it was human sources of information for practice that were overwhelmingly perceived as the most useful in reducing the clinical uncertainties of nurse decision-makers. CONCLUSIONS: It is not research knowledge per se that carries little weight in the clinical decisions of nurses, but rather the medium through which it is delivered. Specifically, text-based and electronic resources are not viewed as useful by nurses engaged in making decisions in real time, in real practice, but those individuals who represent a trusted and clinically credible source are. More research needs to be carried out on the qualities of people regarded as clinically important information agents (specifically, those in clinical nurse specialist and associated roles) whose messages for practice appear so useful for clinicians.

Attitude of Health Personnel↗

PubMedDate not supplied

Medical decision-making around the time of death of cognitively impaired nursing home residents: a pilot study.

The purpose of this article is to describe the end-of-life process in the nursing home for three groups of cognitively-impaired nursing home residents: those who died with a medical decision-making process prior to death; those who died without such a decision-making process; and those who had a status-change event and a medical decision-making process, and did not die prior to data collection. Residents had experienced a medical status-change event within the 24 hours prior to data collection, and were unable to make their own decisions due to cognitive impairment. Data on the decision-making process during the event, including the type of event, the considerations used in making the decisions, and who was involved in making these decisions were collected from the residents' charts and through interviews with their physicians or nurse practitioners. When there was no decision-making process immediately prior to death, a decision-making process was usually reported to have occurred previously, with most decisions calling either for comfort care or limitation of care. When comparing those events leading to death with other status-change events, those who died were more likely to have suffered from troubled breathing than those who remained alive. Hospitalization was used only among those who survived, whereas diagnostic tests and comfort care were used more often with those who died. Those who died had more treatments considered and chosen than did those who remained alive. For half of those who died, physicians felt that they would have preferred less treatment for themselves if they were in the place of the decedents. The results represent preliminary data concerning decision-making processes surrounding death of the cognitively-impaired in the nursing home. Additional research is needed to elucidate the trends uncovered in this study.

Advance Directives↗

PubMed2003

The neurobiology of visual-saccadic decision making.

Over the past two decades significant progress has been made toward understanding the neural basis of primate decision making, the biological process that combines sensory data with stored information to select and execute behavioral responses. The most striking progress in this area has been made in studies of visual-saccadic decision making, a system that is becoming a model for understanding decision making in general. In this system, theoretical models of efficient decision making developed in the social sciences are beginning to be used to describe the computations the brain must perform when it connects sensation and action. Guided in part by these economic models, neurophysiologists have been able to describe neuronal activity recorded from the brains of awake-behaving primates during actual decision making. These recent studies have examined the neural basis of decisions, ranging from those made in predictable sensorimotor tasks to those unpredictable decisions made when animals are engaged in strategic conflict. All of these experiments seem to describe a surprisingly well-integrated set of physiological mechanisms that can account for a broad range of behavioral phenomena. This review presents many of these recent studies within the emerging neuroeconomic framework for understanding primate decision making.

Animals↗

PubMed1985

Physician decision making over the telephone.

Physician decision-making behaviors were evaluated for 31 telephone encounters between trained patient simulators and 9 first-year residents, 11 third-year residents, and 8 practicing physicians on after-hours call. The following trends occur as physicians become more experienced: mean call length decreases, less time is spent on diagnosis, fewer diagnostic questions are asked, greater time is spent on management, and diagnostic reasoning becomes more intuitive. These findings suggest that previous models of good telephone decision making, which focused on empirical data collection, may not represent the process used by experienced physicians.

Decision Making↗

PubMed2004

Shared decision making about screening and chemoprevention. a suggested approach from the U.S. Preventive Services Task Force.

Shared decision making is a process in which patients are involved as active partners with the clinician in clarifying acceptable medical options and in choosing a preferred course of clinical care. Shared decision making offers a way of individualizing recommendations, according to patients' special needs and preferences, when some patients may benefit from an intervention but others may not. This paper clarifies how the U.S. Preventive Services Task Force (USPSTF) envisions the application of shared decision making in the execution of screening and chemoprevention. Unlike conventional USPSTF reports, this paper is neither a systematic review nor a formal recommendation. Instead, it is a concept paper that includes a commentary on the current thinking and evidence regarding shared decision making. Although the USPSTF does not endorse a specific style of decision making, it does encourage informed and joint decisions. This means that patients should be informed about preventive services before they are performed, and that the patient-clinician partnership is central to decision making. The USPSTF suggests that clinicians inform patients about preventive services for which there is clear evidence of net benefit, and, if time permits, about other services with high visibility or special individual importance. Clinicians should make sure that balanced, evidence-based information about the service (including the potential benefits and harms, alternatives, and uncertainties) is available to the patient if needed. For preventive services for which the balance of potential benefits and harms is a close call, or for which the evidence is insufficient to guide a decision for or against screening, clinicians should additionally assist patients in determining whether individual characteristics and personal preferences favor performing or not performing the preventive service. The USPSTF believes that clinicians generally have no obligation to initiate discussion about services that have either no benefit or net harm. Nonetheless, clinicians should be prepared to explain why these services are discouraged and should consider a proactive discussion for services with high visibility or special individual importance or for services for which new evidence has prompted withdrawal of previous recommendations.

Chemoprevention↗

PubMed2004

A conceptual review of decision making in social dilemmas: applying a logic of appropriateness.

Despite decades of experimental social dilemma research, "theoretical integration has proven elusive" (Smithson & Foddy, 1999, p. 14). To advance a theory of decision making in social dilemmas, this article provides a conceptual review of the literature that applies a "logic of appropriateness" (March, 1994) framework. The appropriateness framework suggests that people making decisions ask themselves (explicitly or implicitly), "What does a person like me do in a situation like this? " This question identifies 3 significant factors: recognition and classification of the kind of situation encountered, the identity of the individual making the decision, and the application of rules or heuristics in guiding behavioral choice. In contrast with dominant rational choice models, the appropriateness framework proposed accommodates the inherently social nature of social dilemmas, and the role of rule and heuristic based processing. Implications for the interpretation of past findings and the direction of future research are discussed.

Communication↗

PubMedDate not supplied

[Meningococcal C disease epidemic in Galicia 1996: the decision making process].

In this article we describe the decision making process used to choose the best alternative for bringing under control an epidemic of meningococcal C disease, which occurred in Galicia in 1996. In the decision making process, we used a methodology which consisted on the identification and definition of a problem, in order to identify alternative solutions and to select one, and finally implement and evaluate it. The health problem was detected studying the data obtained from a survey conducted following an outbreak of meningococcal C disease in february 1995 and from the active epidemiological surveillance system created thereafter. Because this was a new, complex and severe problem, with far-reaching social consequences, critical for our organization, and with long-term implications, and because it was considered important to take the decision as objectively as possible and to clearly explain it, the methodology chosen to solve the problem was a non-programmed, multicriteria making decision process, carried out by a working group using a criterion weighting approach. This working group was created within the General Directorate of Public Health, composed of specialist and of people responsible for the different areas involved. The working group put into practice the different steps of the methodology. The assessment criteria and their respective weights were: effect (efficacy measured by the number of cases we could have prevented if the alternatives were applied in the previous season) 40%; cost (in millions of pesetas) 15%; acceptability (acceptance of and response to each strategy from different groups: general population, health care professionals, other Administrations with competency in Public Health) 30%; and coherence (adherence to the currently accepted strategies for disease control in other countries)15%. When these criteria were applied to the ten alternatives considered, a score was obtained for each one of them. The highest scoring alternative corresponded to the massive vaccination of the total population of Galicia between 18 months and 19 years of age.

Adolescent↗

PubMed2002

Impoverished diabetic patients whose doctors facilitate their participation in medical decision making are more satisfied with their care.

OBJECTIVE: Greater participation in medical decision making is generally advocated for patients, and often advocated for those with diabetes. Although some studies suggest that diabetic patients prefer to participate less in decision making than do healthy patients, the empirical relationship between such participation and diabetic patients' satisfaction with their care is currently unknown. We sought to characterize the relationship between aspects of diabetic patients' participation in medical decision making and their satisfaction with care. DESIGN: Cross-sectional observational study. SETTING: A general medical county hospital-affiliated clinic. PARTICIPANTS: One hundred ninety-eight patients with type 2 diabetes. MAIN MEASURES: Interviews conducted prior to the doctor visit assessed patients' desire to participate in medical decision making, baseline satisfaction (using a standardized measure), and sociodemographic and clinical characteristics. Postvisit interviews of those patients assessed their visit satisfaction and perception of their doctor's facilitation of patient involvement in care. A discrepancy score was computed for each subject to reflect the difference between the previsit stated desire regarding participation and the postvisit report of their experience of participation. RESULTS: Overall, patients reported low postvisit satisfaction relative to national standards (mean of 70 on a 98-point scale). Patients perceived a high level of facilitation of participation (mean 88 on a 100-point scale). Facilitation of participation and the discrepancy score both independently predicted greater visit satisfaction. In particular, a 13-point (1 SD) increase in the perceived facilitation score resulted in a 12-point (0.87 SD) increase in patient satisfaction, and a 1.22 point increase (1 SD) in the discrepancy score (the extent to which the patient was allowed more participation than, at previsit, he or she desired) resulted in a 6-point (0.5 SD) increase in the satisfaction score, even after controlling for initial desire to participate. For women, but not for men, physician facilitation of participation was a positive predictor of satisfaction; for men, but not women, desire to participate was a significant positive predictor of visit satisfaction. CONCLUSION: Clinicians may feel reassured that encouraging even initially reluctant patients with diabetes to participate in medical decision making may be associated with increased patient satisfaction. Greater patient participation has the potential to improve diabetic self-care because of the likely positive effect of patient satisfaction on adherence to treatment. Further research to assess the prospective effects of enhancing physician facilitation of patient participation is likely to yield important information for the effective treatment of chronically ill patients.

Communication↗

PubMed1980

Lead modelling--a decision-making tool.

The difficulties of decision-making in a state of ignorance regarding the problem area, true for many questions of environmental pollution, are discussed with reference to lead. Before irrevocably committing a considerable amount of both capital and material resources, the policy-making wound like to make a prediction as to the potential effectiveness of any control measure. To this end a mathematical model is suggested which represents the transport of lead within a standard man. It may be used at two discrete levels, either to analyse a number of control strategies in terms of their relative effectiveness in reducing blood lead concentrations, or, dependent upon the model's accuracy and the availability of data concerning the exposure to, and metabolism of, lead by a specific population, to select between two, or more, directly competing strategies for the control of that population's lead exposure, the selection of the optimum strategy being based on the model's output. Modelling may be seen, therefore, to satisfy, at least in part, the need for decision-making information in an area where time may not permit the acquisition of appropriate, unequivocable scientific evidence.

Cost-Benefit Analysis↗

PubMed2006

Psychophysiological anticipation of positive outcomes promotes advantageous decision-making in normal older persons.

Previous studies have demonstrated that aging has an adverse effect on laboratory decision-making in some older adults, and such findings have important implications for real-world reasoning and judgment. Emotion, and its accompanying somatic responses, is thought to contribute significantly to decision-making. In the present study, we had two objectives: 1) to investigate decision-making in a new sample of elderly participants, using the Iowa Gambling Task (IGT); and 2) to investigate psychophysiological correlates of decision-making, focusing on anticipatory skin conductance responses (SCRs) that participants produce immediately prior to their behavioral response. We hypothesized that the previous behavioral findings would be replicated, and further, that the older adult participants with IGT impairments would show a lack of discriminatory anticipatory SCRs during the IGT. The results supported both predictions. First, a subgroup of the new elderly sample demonstrated impaired decision-making on the IGT, replicating our previous findings. Second, the participants with impaired IGT performance failed to demonstrate discriminatory anticipatory SCRs for advantageous versus disadvantageous choices, whereas participants with normal IGT performance did demonstrate such discrimination; in the latter case, however, SCR magnitude was higher for advantageous decisions (unlike the pattern in young normal adults). Our data lead to the suggestion that strong decision-making abilities among older adults may be a function of positive somatic markers, whereas poor decision-making abilities may arise from an abnormal somatic response generated in anticipation of a future event.

Aged↗

PubMed1997

Phenomenography: an alternative approach to researching the clinical decision-making of nurses.

In this paper, the limitations associated with current research approaches to the study of clinical decision-making are discussed. Research examining the clinical decision-making of nurses and doctors, and associated work in information procession, is reviewed. It is concluded that although the research is valuable in furthering the understanding of clinical decision-making, there are limitations associated with the current research approaches. The limitations are primarily related to the research approaches employed and the concentration on experienced nurses. The research fails to examine the development of clinical decision-making ability and the learning that occurs in practice. Phenomenography is proposed as an alternative approach. The aim of phenomenography is to describe an individual's perception of a phenomenon. Phenomenography is relevant to the study of clinical decision-making as it is concerned with variation in experience. When applied to the study of new graduate nurses, phenomenography can provide valuable information in relation to individual differences in learning that arise from experience, what factors influence learning and how they affect clinical decision-making ability.

Clinical Competence↗

PubMed2005

The relationships among three factors affecting the financial decision-making abilities of adults with mild intellectual disabilities.

BACKGROUND: Among adults with intellectual disabilities (IDs), there is a need not only to assess financial decision-making capacity, but also to understand how it can be maximized. Although increased financial independence is a goal for many people, it is essential that individuals' decision-making abilities are sufficient, and many factors may affect the development of such abilities. METHOD: As part of a wider project on financial decision-making, we analysed previous data from a group of 30 adults with mild IDs, identifying correlations among four variables: (i) financial decision-making abilities; (ii) intellectual ability; (iii) understanding of some basic concepts relevant to finance; and (iv) decision-making opportunities in everyday life. RESULTS: The analysis indicated a direct relationship between ID and basic financial understanding. Strong relationships of a potentially reciprocal nature were identified between basic financial understanding and everyday decision-making opportunities, and between such opportunities and financial decision-making abilities. CONCLUSIONS: The findings suggest that the role of intellectual ability in determining financial decision-making abilities is only indirect, and that access to both basic skills education and everyday decision-making opportunities is crucial for maximizing capacity. The implications of this are discussed.

Adolescent↗

PubMedDate not supplied

Parental decision-making after ultrasound diagnosis of a serious foetal abnormality.

OBJECTIVE: The purpose of this article is to provide clinicians who are involved in the field of foetal medicine with a comprehensive overview of theories that are relevant for the parental decision-making process after ultrasound diagnosis of a serious foetal abnormality. METHODS: Since little data are available of parental decision-making after ultrasound diagnosis of foetal abnormality, we reviewed the literature on parental decision-making in genetic counselling of couples at increased genetic risk together with the literature on general decision-making theories. The findings were linked to the specific situation of parental decision-making after an ultrasound diagnosis of foetal abnormality. RESULTS: Based on genetic counselling studies, several cognitive mechanisms play a role in parental decision-making regarding future pregnancies. Parents often have a binary perception of risk. Probabilistic information is translated into two options: the child will or will not be affected. The graduality of chance seems to be of little importance in this process. Instead, the focus shifts to the possible consequences for future family life. General decision-making theories often focus on rationality and coherence of the decision-making process. However, studies of both the influence of framing and the influence of stress indicate that emotional mechanisms can have an important and beneficial function in the decision-making process. CONCLUSION: Cognitive mechanisms that are elicited by emotions and that are not necessarily rational can have an important and beneficial function in parental decision-making after ultrasound diagnosis of a foetal abnormality. Consequently, the process of parental decision-making should not solely be assessed on the basis of its rationality, but also on the basis of the parental emotional outcome.

Abnormalities, Multiple↗