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PubMed1998

Inhalation of 30% nitrous oxide impairs people's learning without impairing people's judgments of what will be remembered.

Many hypotheses have been proposed to account for the effects of nitrous oxide on memory, with one emerging possibility being that it has a global effect on memory-related functioning. This possibility was explored by examining the effects of nitrous oxide on memory performance and on the accuracy of people's judgments about their memory performance. Participants inhaled 30% nitrous oxide or a placebo gas while items were studied and while judgments were made about the likelihood of recall for each item. Next, all participants inhaled the placebo during paired-associate recall. Although administration of nitrous oxide during study impaired recall, it did not affect the predictive accuracy of the metacognitive judgments. These results provide pharmacological evidence for a distinction between memory and metamemory.

Adolescent↗

PubMed2007

What do you learn about someone over time? The relationship between length of acquaintance and consensus and self-other agreement in judgments of personality.

Theory and research examining length of acquaintance and consensus among personality judgments have predominantly examined each dimension of personality separately. In L. J. Cronbach's (1955) terminology, this trait-centered approach combines consensus on elevation, differential elevation, and differential accuracy in personality judgments. The current article extends D. A. Kenny's (1991, 1994) weighted average model (WAM)--a theoretical model of the factors that influence agreement among personality judgments--to separate out two of Cronbach's components of consensus: stereotype accuracy and differential accuracy. Consistent with the predictions based on the WAM, as length of acquaintance increased, self-other agreement and consensus differential accuracy increased, stereotype accuracy decreased, and trait-level or raw profile correlations generally remained unchanged. Discussion focuses on the conditions under which a relationship between length of acquaintance and consensus and self-other agreement among personality evaluations emerges and how impressions change over time.

Adult↗

PubMed2005

Patients' values and clinical substituted judgments: the case of localized prostate cancer.

The authors examined agreement between patients' utilities and importance rankings and clinicians' judgments of these assessments using a multiattribute model representing 6 aspects of health states potentially associated with localized prostate cancer. Patients were interviewed individually shortly after diagnosis and at a follow-up visit to obtain time-tradeoff utilities for 4 health states, including current health, and importance ranks of the 6 attributes. Their clinicians independently provided views of what utilities and importance ranks would be in the patient's best interest. Using patient-clinician pairs as the unit of analysis, the authors discovered that only about 50% of the correlations across 4 health states were high enough (.80) to be acceptable for clinical use for substituted judgment. Their conclusion: Clinicians should recognize that their judgments of the utility of health states associated with localized prostate cancer may not correspond closely with those of the patient.

Decision Making↗

PubMed2002

Observing emotion in infants: facial expression, body behavior, and rater judgments of responses to an expectancy-violating event.

Eleven-month-old European-American, Japanese, and Chinese infants (ns = 23, 21, and 15, respectively) were videotaped during baseline and stimulus episodes of a covert toy-switch procedure. Infants looked longer at the object during the expectancy-violating event (stimulus episode) but did not produce more surprise-related facial expressions. American and Japanese infants produced more bodily stilling during stimulus than baseline, and American infants also produced more facial sobering. Naive raters viewing both episodes could correctly identify the expectancy-violating event. Rater judgments of surprise were significantly related to infants' bodily stilling and facial sobering. Judgments of interest were related to cessation of fussing. Thus, observer judgments of infant emotions can be systematically related to behaviors other than prototypic emotional facial expressions.

Attention↗

PubMed1980

Consonant similarity judgments by normal and hearing-impaired listeners.

This investigation attempted to identify listener strategies or perceptual modes that might be adopted by hearing-impaired listeners when making similarity judgments among pairs of speech sounds. Further, an attempt was made to describe the relationship between similarity judgments and auditory confusions for such listeners. Subjects provided similarity ratings and recognition responses to consonant pairs. The resulting similarity judgments were organized into a variety of similarity matrices and analyzed via multidimensional scaling and hierarchical clustering, as well as by traditional descriptive and interpretative statistics. The analyses of the similarity ratings between consonants showed that hearing-impaired listeners apply phonemic labels to the stimuli and base their ratings on these labels rather than on the unlabeled acoustic characteristics of the speech sounds. Analysis of the recognition data indicated that those consonants which are most confused are not necessarily the most conceptually similar to the listener.

Adult↗

PubMed1989

Judgments of disfluency by mothers of stuttering and normally fluent children.

The purpose of this study was to examine the relation between selected aspects of speech disfluency and perceptual judgments of these events by mothers of young stutterers and mothers of age- and sex-matched normally fluent children. Each mother independently listened to and judged as either "stuttered" or "not stuttered" recorded examples of a young stutterer's imitated productions of: (a) five different types of speech disfluency, (b) sound prolongations, and (c) sound/syllable repetitions of five different durations each, along with a comparable number of fluent utterances. Results indicated that although some between-group differences in judgments were observed, both groups most frequently judged sound/syllable repetitions to be stuttered, followed by whole-word repetitions and broken words. Fluent utterances, interjections, and sound prolongations were most frequently judged to be not stuttered by all mothers. Both groups judged sound prolongations averaging 258 ms in duration to be stuttered an average of 25% of the time, increasing to 68% for sound prolongations averaging 1254 ms; however, both groups of mothers judged sound/syllable repetitions of two or more iterations to be stuttered an average of 93% of the time. Findings suggest that there are not appreciable differences between mothers of stuttering and normally fluent children regarding their perceptual judgments of speech disfluencies, but each group might more frequently judge as stuttered those types of speech disfluencies characteristic of their own children's speech.

Child, Preschool↗

PubMed2004

Time experience and time judgment in major depression, mania and healthy subjects. A controlled study of 93 subjects.

OBJECTIVE: Studies on the time sense of depressed patients have revealed inconsistent results. Manic patients have been almost neglected. METHOD: Patients with a major depressive episode (n = 32), or a manic episode (n = 30) (both Diagnostic and Statistical Manual of Mental Disorders-IV, Mini-International Neuropsychiatric Interview-confirmed), and 31 healthy controls were included. The subjective time experience was assessed by a visual analog scale (VAS), the objectively measurable time judgment abilities by the Chronotest, a computer program developed for this study, consisting of time estimation and time production tasks. RESULTS: Controls reported a balanced, manic patients an enhanced, and depressive patients a slowed experience of time flow in the VAS (P < 0.001). In the time judgment tasks, however, both depressed and manic patients showed time overestimation for the longer time spans (P < 0.008). CONCLUSION: This largest study on time sense in manic patients confirmed results of a divergent alteration of time experience in depressive and in manic patients but revealed an uniform time overestimation by both patient groups in time judgment tasks.

Analysis of Variance↗

PubMed1999

Aberrant judgmental pattern of schizophrenic patients in weight discrimination.

Sixteen chronic schizophrenics and 16 normal controls were tested on a weight discrimination task in various categories and hand conditions. Schizophrenics made significantly more errors than normals when the 'equal' category was included, whereas schizophrenics' performance could approximate the normals' discriminations when the 'equal' category was excluded. In the former condition, the more inaccurate performance of schizophrenics was ascribed to the selective increase in the errors by the 'equal' judgments, which was not due to an increase in 'doubtful' judgments. These findings were assumed to reflect schizophrenics' preference to equal judgments, which seemed to be their fundamental cognitive attitude, because the same tendency was found on the various discrimination tasks of other sensory modalities. Furthermore, the present results supported neither left hemisphere dysfunction nor interhemispheric transfer deficit in schizophrenia, because schizophrenics failed to show consistently more errors in the right hand and the bimanual conditions.

Adult↗

PubMed2000

Reliability of clinical judgment of patients' competency to give informed consent: a case vignette study.

The competency of psychiatric patients to give informed consent is important in respecting patients' decisions as well as protecting patients from undue exploitation. A total of 176 members of the Japanese Society of Psychiatry and Neurology gave a clinical judgment in a questionnaire of competency in five case transcriptions. Their interrater reliability of competency judgment was slight (generalized kappa 0.31). Clinicians' global judgment of patients' competency was not reliable, but it may be improved by the use of a structured interview.

Adult↗

PubMed1976

Some cognitive, behavioral and personality correlates of maturity of moral judgment.

This study was designed to test the hypothesis that maturity of moral judgment is related to moral behavior and to certain personality characteristics. The Ss, 33 fifth grade boys (approximately 10 1/2-years of age), were given the Kohlberg test of moral judgment, and scores on this test were related to a measure of general intelligence, moral conduct as judged by peers (sociometric nominations), honesty in a structured test, and certain personality variables. Maturity of moral judgment was found to be significantly correlated with general cognitive ability (intelligence test performance) and, even with intelligence partialed out, with resistance to temptation, reputation for being concerned with the welfare of others, self-confidence, and security in social relationships with peers.

Child↗

PubMed2002

The influence of ethnicity, social class, and context on judgments about U.S. women.

In 2 studies, the authors investigated impression formation as influenced by category-based stereotypes associated with ethnicity and social class. The participants in Study I made judgments about 1 target woman, described as interested in running for office in the Parent Teacher Organization (PTO) of her children's school. The hypothetical woman was presented to the respondents along with her photograph and information about her ethnic background (Anglo-Saxon, Latina, or Jewish) and occupation (middle class or working class). In Study 2, the authors changed the context and presented a younger target woman (also varied by ethnicity and social class) to the respondents as the new girlfriend of their older brother or cousin. In both studies, judgments were assessed by the participants' responses to 45 bipolar adjectives that, in each case, yielded 8 component factors. In both hypothetical contexts, social class was a powerful trigger for a variety of negative expectations: With respect to ethnicity, the Latina women were judged to be more unsuitable for the job of PTO vice president than were the Anglo-Saxon or Jewish women. The authors discussed potential psychological and social consequences of such category-based judgments.

Adult↗

PubMed1998

An investigation of the reliability and validity of posteroanterior spinal stiffness judgments made using a reference-based protocol.

BACKGROUND AND PURPOSE: The reliability and criterion-related validity of ratings of posteroanterior (PA) spinal stiffness made using reference values for comparison have not been investigated. In this study, mechanical reference stimuli for points on an 11-point rating scale were used to determine whether using a reference scale may be feasible. Subjects. Five different raters took part in 2 studies in which they rated 40 subjects who were asymptomatic for low back pain. METHODS: The interrater reliability of ratings was evaluated with intraclass correlation coefficients (ICCs) and standard errors of the measurement (SEMs). Criterion-related validity was evaluated by correlating judgments of PA spinal stiffness assessed manually with measurements of PA spinal stiffness provided by a mechanical device, the "Stiffness Assessment Machine" (SAM). RESULTS: Although the reliability indices were generally high, with ICCs reaching .77 and with SEMs as low as 0.72 points, the evidence for criterion-related validity (i.e., the ability of the examiner to judge spinal stiffness levels) was not strong, with correlations reaching only .56. CONCLUSIONS AND DISCUSSION: The reference-based protocol allows for more reliable measures of PA stiffness judgments than previous protocols have; however, the human ratings are not highly correlated with the SAM measures. The protocol will have clinical value if judgments made using it are shown to be reliable in clinically relevant subjects and to have validity for clinical management of patients.

Biomechanical Phenomena↗

PubMed1991

A comparison of EMT judgment and prehospital trauma triage instruments.

A number of instruments have been devised to aid in the triage of trauma patients. Little work, however, has been done to demonstrate that these triage instruments offer an advantage over the judgment of an emergency medical technician (EMT) in determining which patients require transportation to a trauma center. The purpose of this study was to compare EMT judgment against three scoring systems; the triage-revised Trauma Score, the Prehospital Index, and the CRAMS scale. Data were gathered on trauma victims transported by the City of Cleveland EMS system. The EMTs rated the patient's overall severity on a 4-point scale and estimated the probability of patient mortality. We found that the EMT prediction of mortality was as accurate as the various scores. In a subset of patients, we also found that the EMT assessment performed as well as the scoring systems in identifying patients who either died or required emergent operative intervention. We conclude that EMT judgment is as accurate as these three scoring systems in identifying patients at high risk for death or the need for immediate operative intervention.

Adult↗

PubMed1992

Inter-rater reliability of preventable death judgments. The Preventable Death Study Group.

This study examined the inter-rater reliability of preventable death judgments for trauma. A total of 130 deaths were reviewed for potential preventability by multiple panels of nationally chosen experts. Deaths involving a central nervous system (CNS) injury were reviewed by three panels, each consisting of a trauma surgeon, a neurosurgeon, and an emergency physician. Deaths not involving the CNS were reviewed by three panels, each consisting of two trauma surgeons and an emergency physician. Cases for review were sampled from all hospital trauma deaths occurring in Maryland during 1986. Panels were given prehospital and hospital records, medical examiner reports, and autopsy reports, and asked to independently classify deaths as not preventable (NP), possibly preventable (POSS), probably preventable (PROB), or definitely preventable (DEF). Cases in which there was disagreement about preventability were discussed by the panel as a group (via conference call). Results indicated that overall reliability was low. All three panels reviewing non-CNS deaths agreed in only 36% of the cases (kappa = 0.21). Agreement among panels reviewing CNS deaths was somewhat higher at 56% (kappa = 0.40). Most of the disagreements, however, were in judging whether deaths were NP or POSS. Agreement was higher for early deaths and less severely injured patients. For non-CNS deaths agreement was also higher for younger patients. When both autopsy results and prehospital care reports were available reliability increased across panels. A variety of approaches have been used to elicit judgments of preventability. This study provides information to guide recommendations for future studies involving implicit judgments of preventable death.

Central Nervous System↗

PubMed1997

Reproducibility of preventable death judgments and problem identification in 60 consecutive road trauma fatalities in Victoria, Australia. Consultative Committee on Road Traffic Fatalities in Victoria.

BACKGROUND: Since 1992, the Consultative Committee on Road Traffic Fatalities in Victoria has identified problems in the management of traffic fatalities. Its two evaluative committees have additionally assessed the potential preventability of death. Previous studies have shown only poor to fair reproducibility of death judgments. METHODS: Problems in the management of 60 consecutive road traffic fatalities and the potential preventability of death were independently evaluated by the two committees. Inter-rater and inter-committee concordance were analyzed using the kappa statistic. RESULTS: Reproducibility was high. Inter-committee agreement on nonpreventable, potentially preventable, and preventable death judgments was high (kappa = 0.73, 95% confidence interval = 0.57-0.89). Agreement within the two evaluative committees was also high (average weighted kappa = 0.73 and 0.74). There was good agreement between committees on problems identified, including those contributing to death. CONCLUSION: The high kappa concordance on preventable death judgments and the agreement on problem identification supports the reproducibility of the methodology used.

Accidents, Traffic↗

PubMed1998

Between- and within-observer agreement for expert judgment of peak flow graphs from a working population.

Expert judgment of peak flow-time graphs provides an important tool to detect occupational asthma. This technique has mainly been used in clinics to evaluate reversible airflow obstruction and to assess potential work-related patterns. The reproducibility of this technique in an open working population is unknown. Agreement between and within nine experts was studied using peak flow-time graphs of 49 potato-processing workers. All graphs were classified into four categories by the nine experts, while seven experts read ten graphs at two occasions. Thirty-four graphs (69%) were classified as "no airway obstruction" while four graphs (8%) showed "work-related airway obstruction." There was only slight agreement between the nine experts; mean Cohen's kappa (kappa) was 0.19. Agreement within experts was moderate; mean kappa was 0.47 for judging graphs twice. Our results suggest that in a "healthy" working population, judgment of peak flow graphs is not a favorable method for detection of airway obstruction. If this technique is applied in epidemiological studies, judgment of the graphs should be done by more than one expert.

Adult↗

PubMed2000

Can we use human judgments to determine the discount rate?

It has been suggested that the long-term discount rate for environmental goods should decrease at longer delays. One justification for this suggestion is that human judgments support it. This article presents an experiment showing that judgments concerning discount rates are internally inconsistent. These results point to potential problems with the use of judgments referenda for determining discount rates in cost-benefit analyses.

Journal Article↗

PubMed1990

Depression and judgment of control: impact of a contingency on accuracy.

In this study we sought to determine whether mild depressives and nondepressives could respond adaptively and self-correct their judgments of contingency when it was clearly advantageous to do so. Ninety-six undergraduates were given four contingency-learning tasks involving pressing or not pressing a key to turn on a light and to judge the degree of control their responses had over light onset. On the first task, which included a monetary contingency only on light onset, mild depressives were relatively accurate in their judgments of control. Tasks 2 through 4, which also included a monetary contingency and feedback on accuracy of judgment of control, showed a Mood x Task interaction. Mild depressives, but not nondepressives, became more accurate, and by the last task, mild depressives were more accurate than nondepressives. Results were discussed in terms of incentive, feedback, and task exposure.

Adolescent↗