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Biomedical subjects

T M Achenbach

Publications and source records attributed to T M Achenbach.

14 recordsLinked to original sources

Three-year course of behavioral/emotional problems in a national sample of 4- to 16-year-olds: I. Agreement among informants.

Quantitative and categorical indices of psychopathology are reported for a nationally representative longitudinal sample assessed via eight empirically derived cross-informants syndromes, internalizing, externalizing, and total problems. Results showed medium to large stabilities for parents' ratings during a 3-year interval on all comparable scales. Predictive correlations between time 1 parents' ratings and time 2 teacher and self-ratings were weaker than parent-to-parent correlations. Classification of children as deviant showed weaker predictive relations than did quantitative scores. Odds ratios showed that children classified as deviant by parents' time 1 ratings were much more likely to be deviant at time 2 on corresponding parent, teacher, and self-ratings than were children initially classified as nondeviant.

Adolescent

Three-year course of behavioral/emotional problems in a national sample of 4- to 16-year-olds: II. Predictors of syndromes.

This study examined relations between parents' ratings of children's behavioral/emotional problems, family variables, and stressful experiences as predictors of 3-year outcomes in a nationally representative sample of American children. Outcomes were measured by time 2 parent, teacher, and self ratings on eight empirically derived cross-informant syndromes. Path analyses indicated that parent ratings of each time 1 syndrome predicted parent ratings of the same time 2 syndrome. Family variables and intervening stressful experiences predicted parent and self ratings, but not teacher ratings of syndromes. The number of family members receiving mental health services was the family variable that predicted the most time 2 syndromes. Parent reports of stress predicted parent ratings of time 2 syndromes, whereas child reports of stress predicted self-ratings of time 2 syndromes.

Adolescent

National survey of problems and competencies among four- to sixteen-year-olds: parents' reports for normative and clinical samples.

We compared parent-reported problems and competencies for national samples of 2,600 4-16-year-olds assessed at intake into mental health services and 2,600 demographically matched nonreferred children assessed in a home interview survey. Parents responded to the ACQ Behavior Checklist, which includes 23 competence items, three competence scales, 216 problem items, eight syndrome scales, Internalizing, Externalizing, and total competence and problem scores. Most items and scales discriminated significantly (p less than .01) between referred and nonreferred samples. There were important sex and age differences in problem patterns, but regional and ethnic differences were minimal. Somewhat more problems and fewer competencies were reported for lower- than upper-socioeconomic-status children. Referral rates were similar in the most urban and rural areas, but they were significantly higher in areas of intermediate urbanization. Correlations of problem scores with those obtained 10 years earlier in a regional survey and with surveys in other countries showed considerable consistency in the rank order of prevalence rates among specific problems. Apparently owing to its more differentiated response scales, the ACQ was susceptible to respondent characteristics that reduced its discriminative power below that of the Child Behavior Checklist. Comparisons of procedures for discriminating between the normal and the clinical range supported the value of a borderline category for children who are neither clearly normal nor clearly deviant. Interview data from the survey sample yielded significantly higher ACQ problem scores for children who had fewer related adults in their homes, those who had more unrelated adults in their homes, those whose biological parents were unmarried, separated, or divorced, those whose families received public assistance, and those whose household or family members had received mental health services. Children who scored higher on Externalizing than Internalizing problems tended to have unmarried, separated, or divorced parents and to come from families receiving public assistance. However, among children whose household or family members had received mental health services, there were greater proportions of both Externalizing and Internalizing patterns than among other children.

Adolescent

Epidemiological comparisons of Puerto Rican and U.S. mainland children: parent, teacher, and self-reports.

U.S. mainland and Puerto Rican nonreferred samples were compared via the Child Behavior Checklist (ages 4 to 16), Teacher's Report Form (ages 6 to 16), and Youth Self-Report (ages 12 to 16). Problem scores were significantly higher in parent and teacher ratings of Puerto Rican than mainland subjects, but were significantly lower in self-ratings by Puerto Rican adolescents. Adolescents in both cultures reported significantly more problems than their parents or teachers did. Most of the significant cross-cultural differences in parent, teacher, and self-ratings of competencies showed more favorable scores for the mainland subjects. High referral rates, a high prevalence of DSM diagnoses, and low scores on the Children's Global Assessment Scale are consistent with the high problem rates reported by Puerto Rican parents and teachers but not with the lower rates reported by adolescents. Different clinical cutoffs may be needed for all assessments in the mainland versus Puerto Rico.

Adolescent

Problems and competencies reported by parents of Australian and American children.

We compared problems and competencies reported for 2600 randomly selected nonreferred children in Sydney and the U.S.A. Sydney children scored significantly higher on 82 problem items, with a mean total problem score of 31.6 versus 20.1 for the U.S.A. Nevertheless, item scores correlated 0.92 between countries, most differences between competence scores were small, and patterns were similar for sex, age, socioeconomic status, and internalizing versus externalizing problems. Although higher clinical cutoffs may be needed in Sydney, the similarity of patterns in scores permits calibration of the Child Behavior Checklist between Sydney and the U.S.A. Sex differences found in seven cultures were summarized.

Achievement

Seven-year outcome of the Vermont Intervention Program for Low-Birthweight Infants.

We compared 24 low-birthweight subjects of an experimental intervention (LBWE), 32 no-treatment controls (LBWC), and 37 normal birthweight (NBW) subjects. The intervention involved 7 hospital sessions and 4 home sessions in which a nurse helped mothers adapt to their LBW babies. At age 7, LBWE scored significantly higher than LBWC on the Kaufman Mental Processing Composite (p less than .001), Sequential (p = .02), and Simultaneous (p = .001) Scales, after statistical adjustments for socioeconomic status. LBWE did not differ from NBW (F less than 1). These results bear out a divergence between the LBWE and LBWC that first became statistically significant at age 3. The findings suggest that the intervention prevented cognitive lags among LBW children, and that long-term follow-ups are needed to evaluate the developmental effects of efforts to overcome major biological and environmental risks.

Child, Preschool

Minimizing adverse effects of low birthweight: four-year results of an early intervention program.

The outcome of an early intervention program for low-birthweight (LBW) infants was examined in this study. The intervention consisted of 11 sessions, beginning during the final week of hospitalization and extending into the home over a 3-month period. The program aimed to facilitate maternal adjustment to the care of a LBW infant, and, indirectly, to enhance the child's development. Neonates weighing less than 2,200 grams and under 37 weeks gestational age were randomly assigned to experimental or control conditions. A full-term, normal birthweight (NBW) group served as a second control. 6-month analyses of dyads who completed all assessments over a 4-year period (N's = 25 LBW experimental, 29 LBW control, and 28 NBW infant-mother dyads) showed that the experimental group mothers reported significantly greater self-confidence and satisfaction with mothering, as well as more favorable perception of infant temperament than LBW control group mothers. A progressive divergence between the LBW experimental and LBW control children on cognitive scores culminated in significant group differences on the McCarthy GCI at ages 36 and 48 months, when the LBW experimental group caught up to the NBW group. Possible explanations for the observed delay in the emergence of intervention effects on cognitive development and the mediating role of favorable mother-infant transactional patterns are discussed in light of recent evidence from the literature.

Child, Preschool

Self-image disparity, repression-sensitization, and extraversion-introversion: a unitary dimension?

To determination (1) whether self-image disparity, repression-sensitization, and extraversion-introversion intercorrelated to a degree indicative of a unitary personality dimension and, (2) whether the interrelationships among these variables was accounted for by cognitive developmental variance, Byrne's Revised Repression-Sensitization Scale, Giedt and Downing's Extraversion-Introversion Scale, and two measures of self-image disparity were administered to 20 male college freshmen and 20 male seniors. All the correlations among the four measures were significant, but none correlated significantly with cognitive development, as measured by SATs. Factor analysis yielded a clearcut personality factor and a clearcut cognitive factor, indicating that the personality measures reflect a unitary dimension, even after cognitive developmental variance is extracted.

Adolescent

A longitudinal study of relations between outer-directedness and IQ changes in preschoolers.

The study was designed to determine whether outer-directedness, measured by glances at E during object assembly tasks administered according to the Turnure and Zigler (1964) procedure, predicts changes in preschoolers' Binet IQs over 6 months. With MA as a covariate to control for the small but significant relationship betweeen glances and developmental level, an ANOCOVA showed a significant interaction resulting from increases in the IQs of non-outer-directed Ss and declines in the IQs of outer-directed Ss. Glances at E's puzzle while S assembled his own were unrelated to glances at E or to IQ changes, but, unlike glances at E, were significantly related to improvements in performance from puzzle 1 to puzzle 2.

Association Learning

Moral and cognitive development in retarded and nonretarded children.

Subjects were 30 cultural-familially retarded and 30 nonretarded children matched for MA within 3 MA levels. The subjects were administered measures of moral judgement and cognitive operations hypothesized by Kohlberg to constitute necessary but not sufficient conditions for attainment of specific moral stages. Moral and cognitive performance improved with MA, but there were no differences between the MA-matched retarded and nonretarded children. Moral judgement related more strongly to MA then to any of the specific cognitive operations tested. The findings failed to support Kohlberg and Gilligan's (1971) hypothesis that the moral judgment of older individuals should be more advanced than that of younger individuals matched for cognitive level, but they were in accord with Zigler's (1969) "developmental" concept of cultural-familial retardation.

Association