The rationale for an “oblimax” method of transformation in factor analysis

Factorial transformation is viewed as an estimation problem in which the usual assumption of homogeneously distributed error cannot be applied, but may be replaced by a principle of maximum kurtosis. This leads to quartimax in the orthogonal case, and to oblimax in the oblique case. Oblimax is readily programmable, and typically provides results similar to those of subjective rotation. However, oblimax may encounter special difficulty in data which do not determine a simple structure, or which have been imprecisely factored.The Managing Editor has substituted the word transformation for the word rotation in the title and throughout this paper, on the grounds that oblique rotation is a self-contradictory term, the use of which need not be perpetuated.This paper is primarily a condensation of material that first appeared in ETS Research Bulletins 53-10 and 54-31, both long out of print. In this treatment the principle of maximum kurtosis receives increased emphasis, and the special case for equation (10) is recognized. The writer is indebted to his former colleagues, Mr. Charles Pinzka and Dr. Ledyard Tucker, for invaluable assistance in achieving a straightforward and general derivation of equation (10).     

(Spi)ritual interaction in musical activity for infants in the church space – a qualitative analysis

Abstract

Early mother–infant interaction has been seen as very important for the development of religiosity and spirituality. This case study examines one specific musical activity for infants and mothers from the perspective of human interaction. The studied activity is ‘Babysalmesang’, or baby hymn singing (BHS), within the Evangelical Lutheran Church in Denmark. Meetings are held in church buildings and include singing hymns and other songs, playing in and exploring the church space. The qualitative empirical data on BHS activities were collected through video recording, observing and interviewing. The initial analysis on the data showed that four types of interaction can be found: mother–infant interaction, interaction between the participants, interaction between the participants and instructors and ritual interaction. BHS can be seen as a space for (spi)ritual interaction. In this context, nurturing spirituality combines with religious elements. Together with mother–infant interaction, also other types of interaction might nurture spirituality in early childhood.     

Individuation of objects – a problem for structuralism?

This paper identifies two aspects of the structuralist position of S. Shapiro which are in conflict with the actual practice of mathematics. The first problem follows from Shapiros identification of isomorphic structures. Here I consider the so called K-group, as defined by A. Grothendieck in algebraic geometry, and a group which is isomorphic to the K-group, and I argue that these are not equal. The second problem concerns Shapiros claim that it is not possible to identify objects in a structure except through the relations and functions that are defined on the structure in which the object has a place. I argue that, in the case of the definition of the so called direct image of a function, it is possible to individuate objects in structures.     

The experience of meditation for people with amyotrophic lateral sclerosis and their caregivers – a qualitative analysis

There is a lack of studies about psychological interventions for people with amyotrophic lateral sclerosis (ALS) and their caregivers. We investigated the experience of a meditation training program tailored for ALS needs. People with ALS (pALS) and their caregivers that joined a meditation program for ALS were interviewed at the end of the program. Verbatims were analyzed with a qualitative approach. Both pALS and their caregivers reported a positive impact on their psychological well-being, promoted by an increase in acceptance and non-judgmental attitude. Furthermore, coping strategies seem to improve, with a positive effect on resilience skills. The ALS meditation training program seems to be an effective psychological intervention for the promotion of well-being in pALS and their caregivers.     

Together – apart: in touch in a time of separation

This paper explores the experience of working as a Jungian analyst through the various phases of the global COVID-19 pandemic, examining the importance of the physical containing space alongside the analyst’s internal mind and how technology can both help and hinder understanding. A number of clinical vignettes illustrate the challenge of communicating over a distance, paying particular attention to the way countertransference phenomena can become re-attuned. Reference is made to mythology and symbols of hope, and consideration given to the meaning and purpose of the pandemic.     

Addressing the needs of new mothers in a multi-cultural setting: an evaluation of home visiting support for new mothers – Mom to Mom (Negev)

This study evaluated the Mom to Mom (M2M) program operating in the Negev region of Israel, an area with a high proportion of immigrants. M2M helps women cope with the first year of parenting through home visits of volunteer mothers. Specific objectives were to evaluate (1) Participants’ motivations for joining M2M; (2) Gains from participation; and (3) The effect of participation on post-partum depression (PPD). Three stages included (1) Analysis of demographics of all 440 mothers in M2M; (2) A telephone survey of 51 mothers to assess gains from participation; and (3) 137 mothers filled out the Edinburgh Post-Natal Depression Scale (EPDS) and were followed for one year. Most mothers in M2M were first time mothers, with a high rate of perinatal complications (54.4%) and positive EPDS scores (38.7%). Two major reasons for participation were being an immigrant and having low income. The greatest gains from home visits were increased self-confidence, improved parenting skills and communication with the partner. Seventy-nine percent of mothers with PPD symptoms were functioning at work and at home after a year from joining the program. Our findings suggest that M2M has the capacity to address challenges in the post-natal period among women from diverse cultures.     

Are illusory contours a cause or a consequence of apparent differences in brightness and depth in the Kanizsa square?

The causal flows between the processes responsible for illusory contour clarity, brightness, and apparent depth in the Kanizsa square were examined. The sixty-four stimuli used consisted of all possible combinations of eight disk luminances and eight centre-to-centre separations between nearest disks. Ten subjects were instructed to rate the clarity of the illusory contour and the brightness and apparent depth differences between the Kanizsa square and its surround in each stimulus. On the basis of results obtained with the causal inference method, using partial correlations and path analysis, it is suggested that clarity of illusory contour can be influenced directly by disk separation, and that the output from the process responsible for illusory contour clarity has some effect on the processes responsible for the apparent depth and brightness differences.     

Putting the power of behavior analysis in the hands of nonbehavioral professionals: Toward a blueprint for dissemination†

Behavior analysts have much to offer nonbehavioral professionals who work with the communities that we serve. Successful dissemination of behavior-analytic technologies to these professionals could potentially improve their practice. Although the literature contains some exemplary examples of successful dissemination, our discipline would benefit from a blueprint for conducting this important work. In this article, I share our experiences disseminating behavioral technologies to educators, law enforcement officers, and health care providers who engage with neurodiverse individuals. These experiences form the basis of a recommended blueprint for dissemination, which awaits empirical support. After describing this tentative blueprint, I provide suggestions for future research on how best to disseminate our technologies to nonbehavioral professionals, the ideal content of those dissemination activities, and the conditions under which professionals may be more likely to embed our technologies into their best practices.     

On the polychoric series method for estimation of ρ in contingency tables

The present note illustrates the application of Lancaster & Hamdan's [1964] polychoric series method for estimating the correlation coefficient in contingency tables. A simple format for the calculations involved, using a desk calculator, is suggested and hence applied to a specific 3 × 3 contingency table.     

Effect of thermoelectric magnetic force on the array of dendrites during directional solidification of Al–Cu alloys in a high magnetic field

By eliminating the effect of the magnetic moment arising from the magnetic crystalline anisotropy, the effect of the thermoelectric magnetic force on the array of dendrites during directional solidification of Al–35?wt%Cu and Al-40?wt%Cu alloys in a high magnetic field has been investigated experimentally. The results indicate that the dendrite array is essentially destroyed, a result that could have general significance for understanding the processes involved in the solidification of alloys in a magnetic field.     

“Play it Again”: a new method for testing metacognition in animals

Putative metacognition data in animals may be explained by non-metacognition models (e.g., stimulus generalization). The primary objective of the present study was to develop a new method for testing metacognition in animals that may yield data that can be explained by metacognition but not by non-metacognition models. Next, we used the new method with rats. Rats were first presented with a brief noise duration which they would subsequently classify as short or long. Rats were sometimes forced to take an immediate duration test, forced to repeat the same duration, or had the choice to take the test or repeat the duration. Metacognition, but not an alternative non-metacognition model, predicts that accuracy on difficult durations is higher when subjects are forced to repeat the stimulus compared to trials in which the subject chose to repeat the stimulus, a pattern observed in our data. Simulation of a non-metacognition model suggests that this part of the data from rats is consistent with metacognition, but other aspects of the data are not consistent with metacognition. The current results call into question previous findings suggesting that rats have metacognitive abilities. Although a mixed pattern of data does not support metacognition in rats, we believe the introduction of the method may be valuable for testing with other species to help evaluate the comparative case for metacognition.     

Correcting distorted perception of sleep in insomnia: a novel behavioural experiment?

Patients with primary insomnia overestimate their sleep onset latency (SOL) and underestimate their total sleep time (TST). The present study aimed to test the utility of a novel behavioural experiment designed to correct distorted perception of sleep among patients diagnosed with primary insomnia. Individuals with primary insomnia were asked to wear an actigraph and keep a sleep diary for three nights. On the following day, half were shown the discrepancy between the data recorded on the actigraph and their sleep diary (Shown-Discrepancy Group), the other half were not shown the discrepancy (No-Demonstration Group). Participants were then asked to wear the actigraph and keep a sleep diary for three further nights. Following the behavioural experiment, the Shown-Discrepancy Group estimated their SOL more accurately and reported less anxiety and preoccupation about sleep compared to the No-Demonstration Group. The theoretical and clinical implications of these findings are discussed.     

Is running a state of mind? Sports training as a potential method for developing cognitive flexibility

The study aimed to test the significance of sports participation as a potential means of improving cognitive function, particularly cognitive flexibility. Based on the characteristics of orienteering, such as frequent changes of behavioural strategies in response to changes in the situation or the simultaneous performance of several mental activities, we assumed that practising this sport could foster the development of cognitive flexibility. Two groups of volunteers were compared: 50 middle and long-distance runners and 50 orienteering runners in terms of their performance on the following measures of cognitive flexibility: a divergent thinking task, a computer flexibility task, Cognitive Flexibility Scale, and Verbal Fluency Test as a measure of executive function. Orienteering runners outperformed others on all measures except the Cognitive Flexibility Scale. Furthermore, we found that training characteristics (regularity, frequency, participation in competitions) were associated with levels of cognitive flexibility, particularly among orienteering runners, where they explained between 38% and 39% of the overall flexibility variance. Our results suggest that cognitive flexibility can be developed through sports training requiring effective dealing in a changing, complex environment. We also discuss the implications of our results for cognitive training research.     

On a class of “impossible” figures: A new language for a new analysis

Multibar figures provide a class of illusions that have been used by psychologists as well as by artists like Escher. For scientific purposes one needs as precise a definition and analysis as possible for these figures. A first attempt at this has been made by Cowan (1974) with the theory of braids. The present work points out some semantic and technical problems not dealt with by Cowan, and proposes a new language for the study of multibar figures. This language is shown to be incomplete, and some further problems are reviewed.     

Motivation in a MOOC: a probabilistic analysis of online learners’ basic psychological needs

Self-determination theory (SDT) is one of the most well-known approaches to achievement motivation. However, the three basic psychological needs of SDT have not received equivalent attention in the literature: priority has been given to autonomy, followed by the need for competence, with research into relatedness lacking (Bachman and Stewart in Teach Psychol 38: 180–187, 2011. doi: 10.1177/0098628311411798). One new educational setting where relatedness may be particularly important is massive open online courses (MOOCs), which provide unprecedented opportunities for either relatedness or isolation. The purpose of the research was to use Bayesian networks (BN) to establish probabilistic relationships between learners’ basic psychological needs in the context of one MOOC. The majority (59 %) of participants (N = 1037; 50 % female and 50 % male) were under 45 (age range was 18–74 years). This sample represented approximately 88 regions and countries. Participants completed a revised Basic Student Needs Scale (Betoret and Artiga in Electron J Res Educ Psychol 9(2): 463–496, 2011). In order to reveal the best structural understanding of SDT within a MOOC learning environment, analysis of the data involved the development of a BN probabilistic model. The best fitting BN model included autonomy, competence, and relatedness—resulting in a probabilistic accuracy of 77.41 %. Analyses revealed participants with high autonomy had an 80.01 % probability of having a moderate level of competence. Relatedness was distinct from the autonomy and competence relationship. The strong inter-connections between autonomy and competence support existing research. The notion that relatedness may be a distinct need, at least in this context, was supported and warrants future research.     

You are not alone – adolescents’ experiences of participation in a structured skills training group for ADHD

Little is known about how adolescents with attention deficit/hyperactivity disorder (ADHD) experience participating in group therapy, an important factor to consider when developing treatment methods for this age group. This study aimed to explore how adolescents with ADHD experience participating in a structured skills training group program based on dialectical behavioral therapy. Semi-structured interviews were conducted with 20 adolescents (15–18 years of age) with ADHD after participating in a structured skills training group. The interviews were transcribed verbatim and qualitative content analysis were used to analyze the text. The participants emphasized the value of meeting other adolescents with ADHD and the opportunity to exchange experiences, strategies and tips. Participating in the group treatment made the adolescents realize that they were not alone, and feelings of togetherness and an increased acceptance of themselves were described. The participants associated the treatment with elevated knowledge and understanding, for example, about ADHD, their own functioning and helpful strategies. They also described emotional and behavioral changes, such as higher self-esteem, fewer inter-personal conflicts and improved concentration. Activating and experiential exercises were considered important elements of the treatment, and the participants expressed a need for a variation of exercises, as well as more time for practicing skills, discussions and breaks. The results indicate that the group format add an extra value to the treatment and that the use of an active approach throughout the treatment is of importance for this group of patients.     

A new diagnosis of complex Post-traumatic Stress Disorder,PTSD – a window of opportunity for the treatment of patients in the NHS?

The concept of complex trauma has been around for a long time and in 2018, it’s expected to become a new diagnosis in the International Classification of Diseases eleventh revision, ICD-11, the World Health Organisation, WHO, manual used formally in the NHS. Psychiatric diagnosis often does not sit well with psychoanalysis, which is at least as interested in unconscious phantasy as it is in symptoms. But as psychodynamically-trained practitioners in the NHS we need to engage with ICD-11 and apply our own understanding to service design so that patients have access to treatment which works for them. The service where I work (a secondary mental health team in the London borough of Lewisham) has already been receiving referrals for ‘complex trauma’ for some time, despite its not being formally classified. Patients so described are most often those with a history of childhood sexual abuse, and refugees with a history of brutality and torture. Differential diagnosis includes personality disorder since many have difficulties with interpersonal issues. In this paper I want to discuss how we might understand the new diagnosis of complex Post-traumatic Stress Disorder, PTSD, and its implications for treatment in the NHS.