When leveraged together, variable-centered and person-centered statistical methods have the potential to illuminate the factors predicting mental health recovery. However, because extant studies have largely relied on only one of these methods, we do not yet understand why some youth demonstrate recovery while others experience chronic symptoms. This omission limits our understanding of trajectories of physical aggression (AGG) in particular, which are frequently characterized by desistance. The present study examined the development of AGG across childhood and adolescence via variable-centered and person-centered modeling, with neighborhood and family characteristics considered as predictors. Variable-centered results indicated a mean-level decline in AGG with age but were more useful for illuminating predictors of AGG at baseline than predictors of declining engagement. Person-centered analyses, by contrast, identified low parent-child conflict and high household income as predictors of desistance. Although variable-centered analyses were integral to modeling the average AGG trajectory and identifying predictors of engagement at baseline, person-centered techniques proved more useful for understanding predictors of desistance.

While weight loss is the primary focus of weight management programmes, it is important that service users establish healthier eating habits to support overall long-term health and weight loss maintenance. Many dietary plans and weight loss programmes are now available, particularly in the digital landscape, but few offer insights into their users’ dietary intakes while following these programmes, and whether they support individuals with meeting dietary recommendations. Slimming World Online, delivered through a website and app, supports members with weight loss through a healthy eating plan, an activity programme, and an online community. This research aims to evaluate the nutrient intakes of members following Slimming World’s digital programme, and compare intakes to UK dietary recommendations and current intakes of the general UK population.

Adults who had been members of Slimming World Online for at least 4 weeks were invited to complete a short survey and use a validated online dietary assessment tool, myfood24®, via an advert on the online member website. Food and drink intake over a 3-day period (2 weekdays and 1 weekend day) was collected and compared against UK dietary recommendations and mean general population intakes, as reported in the National Diet and Nutrition Survey (NDNS)(1).

61 adults (95.1% female; mean age 51.7±10.5 years) who completed the survey and all food diaries were included in the analysis. Mean daily energy intake was 1424.0±457.8kcal. Compared to the UK general population, members were consuming a lower proportion of energy from fat (25.5% vs 34.1%) and saturated fat (8.6% vs 12.3%). Intakes were in line with UK recommendations of <35.0% and <11.0% of total daily energy respectively. Members were consuming a greater proportion of total daily energy from protein than the general population (25.4% vs 17.0%). Mean protein intake was 90.6±32.0g/day, higher than general population intakes of 76.0g/day. Members, on average, were consuming 8.4±4.9 portions of vegetables and fruit/day, with 68.9% meeting the ‘5 a day’ recommendation, compared to 33.0% of the general population. Mean fibre intake was higher than the general population (27.2±12.9g vs 19.7±8.4g/day), while mean salt intake was in line with UK recommendations of <6g/day and lower than the general population (5.3±2.6g vs 8.4±4.1g/day).

In addition to having a reduced energy intake necessary for weight loss, members of Slimming World’s digital programme are consuming a diet which meets current UK dietary guidelines and is of better nutritional quality than that of the general UK population. Limitations include potential underreporting of intakes, the small sample size for males and slight differences to the data collection methodology of the NDNS, who use a 4-day food diary. Further research will aim to address these limitations.

The Committee for the year consisted of seven members: J. D. Clark, Chairman; Glen H. Cole; Brian M. Fagan; W. Creighton Gabel; F. Clark Howell; Glynn L. Isaac; and Frank Willett. On their taking up appointments in the United States, it was with pleasure that we welcomed, in January, Messrs. Fagan and Willett to the small group of archaeologists actively engaged on research in Africa. The two retiring members -- J. D. Clark and F. Clark Howell -- will be replaced on the Committee by C. M. Keller; W. Creighton Gabel has been appointed chairman for 1967-1968.

During the past year the Committee has concerned itself with (1) collecting and regularly disseminating information on current research and teaching and on the interest generally in African archaeology in America; (2) promoting discussion on general developments and trends in African archaeology; (3) promoting urgent research projects in connection with dam construction; and (4) training and liaison. The results under each of these heads are described below.

In order to discover the extent and nature of later archaeological (post “neolithic”) research presently in progress, a circular was distributed to a number of individuals both in Africa and in the United States. The response was excellent and resulted in valuable summaries of current work together with suggestions for future work. Most of the research is being done by local nationals and expeditions in Africa and, thanks to the regular meetings of the Pan-African Congress on Prehistory and Quaternary Studies, the majority are known to each other and are in regular communication. This circular supplements that previously distributed to individuals and institutions in this country, and its results have been mimeographed and circulated by the University of Illinois at Urbana.

This report is the result of discussions and recommendations of the Archaeology Committee of the African Studies Association, which met in Chicago early in April, 1966. African archaeology is at present an international discipline producing close collaboration among scientists from different countries, and the future of archaeological research in the continent can best be viewed as an international exercise in which American palaeo-anthropologists are beginning to play an increasingly important part. These brief notes attempt to synthesize the present position in African prehistoric studies, to show the general direction in which these are being developed, and to indicate immediate priorities in basic research and training.

The 1965 Wenner-Gren Conference on African archaeology and evolutionary studies showed that palaeo-anthropology and the closely associated studies of stratigraphers and palaeontologists are now entering upon a new stage of precision in analysis, dating, and interpretation. It emphasized the absolute necessity for new basic research to be undertaken, organized as a series of team projects.

New discoveries have resulted in revised concepts of the origin and evolution of animal species, vegetation patterns, landscape features, and of man himself and his culture. This more precise knowledge has underlined the need above all to review the revised dating of human and cultural evolution in the light of the geophysical methods that now provide an absolute time scale. This is equally as applicable to archaeologists and ethnohistorians concerned with later prehistoric times as it is to those dealing with the study of early man.

Magnetic geometry has a significant effect on the level of turbulent transport in fusion plasmas. Here, we model and analyse this dependence using multiple machine learning methods and a dataset of ${\gt}200\,000$ nonlinear gyrokinetic simulations of ion-temperature-gradient turbulence in diverse non-axisymmetric geometries. The dataset is generated using a large collection of both optimised and randomly generated stellarator equilibria. At fixed gradients and other input parameters, the turbulent heat flux varies between geometries by several orders of magnitude. Trends are apparent among the configurations with particularly high or particularly low heat flux. Regression and classification techniques from machine learning are then applied to extract patterns in the dataset. Due to a symmetry of the gyrokinetic equation, the heat flux and regressions thereof should be invariant to translations of the raw features in the parallel coordinate, similar to translation invariance in computer vision applications. Multiple regression models including convolutional neural networks (CNNs) and decision trees can achieve reasonable predictive power for the heat flux in held-out test configurations, with highest accuracy for the CNNs. Using Spearman correlation, sequential feature selection and Shapley values to measure feature importance, it is consistently found that the most important geometric lever on the heat flux is the flux surface compression in regions of bad curvature. The second most important geometric feature relates to the magnitude of geodesic curvature. These two features align remarkably with surrogates that have been proposed based on theory, while the methods here allow a natural extension to more features for increased accuracy. The dataset, released with this publication, may also be used to test other proposed surrogates, and we find that many previously published proxies do correlate well with both the heat flux and stability boundary.

Indaziflam (Rejuvra®), a preemergence herbicide first registered in vine and tree nut crops, was recently approved for applications to rangeland for winter annual grass control. Indaziflam controls cheatgrass (Bromus tectorum L.) for at least 3 yr, and control can extend into a fourth and fifth year; however, it is very difficult to find indaziflam residues in the soil 2 yr after application. Indaziflam could be absorbed by seeds still retained on the plant and on the soil surface in sufficient concentrations to stop establishment. To test this hypothesis, B. tectorum seeds and jointed goatgrass (Aegilops cylindrica Host) spikelets were treated with indaziflam and imazapic at rates from 5.4 to 175 g ai ha−1 using a greenhouse track sprayer delivering 187 L ha−1. Treated seeds were planted into field soil, and plants were allowed to grow for 21 d under greenhouse conditions. Growth was compared with growth of non-treated controls. In addition, a second set of treated seeds were exposed to rainfall 1 and 24 h after treatment and rainfall amounts ranging from 3 to 24 mm to determine whether rainfall impacted herbicide performance. Bromus tectorum was so sensitive to indaziflam that establishment was eliminated at all rates. Imazapic inhibited B. tectorum establishment with an ED90 of 67 g ai ha−1. Indaziflam effectively inhibits A. cylindrica establishment with an ED90 of 7.4 g ai ha−1 compared with imazapic with an ED50 of 175 g ai ha−1. Indaziflam’s impact on A. cylindrica establishment was not significantly impacted by rainfall, indicating that the herbicide was absorbed to the seed coat. These findings support the hypothesis that indaziflam’s long-term control could result from its ability to inhibit establishment of seeds retained in the canopy and those on the soil surface at the time of application.

Comprehend, Cope and Connect (CCC) is a trauma-informed, transdiagnostic and evidence-based psychological intervention for mental health crises that can be applied cross-culturally. CCC has been implemented in acute and crisis mental health settings across the South of England and in services elsewhere in the UK. More recently, it has been taken up and adapted for specialist community settings, including perinatal services, addiction services and primary care settings. A continuously growing evidence base indicates that CCC could be the next step towards solving the national problem of mental health crises. It is now time for CCC to be piloted and researched nationally.