Linguistic constraints on statistical computations: the role of consonants and vowels in continuous speech processing

Speech is produced mainly in continuous streams containing several words. Listeners can use the transitional probability (TP) between adjacent and non-adjacent syllables to segment "words" from a continuous stream of artificial speech, much as they use TPs to organize a variety of perceptual continua. It is thus possible that a general-purpose statistical device exploits any speech unit to achieve segmentation of speech streams. Alternatively, language may limit what representations are open to statistical investigation according to their specific linguistic role. In this article, we focus on vowels and consonants in continuous speech. We hypothesized that vowels and consonants in words carry different kinds of information, the latter being more tied to word identification and the former to grammar. We thus predicted that in a word identification task involving continuous speech, learners would track TPs among consonants, but not among vowels. Our results show a preferential role for consonants in word identification.     

Word length effect in early reading and in developmental dyslexia

Vocal reaction times were measured in Italian dyslexics and in proficient readers while they read single words. Three groups of control participants (for a total of 79) were tested. All were in the first, second or third grade of elementary school. Nine third graders with a low level of reading ability when assessed by standard reading procedures were also tested. Results indicated that vocal RTs of control participants were faster and less sensitive to word length as a function of age; also, there was a particularly marked change between first and second graders. Dyslexics' vocal RTs and errors were much worse than those of peer control participants and resembled those of first grade controls. It is suggested that normal readers in an orthographically transparent language (Italian) adopt a lexical strategy quite early in their learning. On the contrary, dyslexics seem unable to learn this mode of processing and continue to use a sub-lexical reading procedure.     

Virtual reality technology in neuropsychological testing: A systematic review

Neuropsychological testing aims to measure individuals' cognitive abilities (e.g. memory, attention), analysing their performance on specific behavioural tasks. Most neuropsychological tests are administered in the so-called ‘paper-and-pencil’ modality or via computerised protocols. The adequacy of these procedures has been recently questioned, with more specific concerns about their ecological validity, i.e. the relation between test scores observed in the laboratory setting and the actual everyday cognitive functioning. In developing more ecological tasks, researchers started to implement virtual reality (VR) technology as an administration technique focused on exposing individuals to simulated but realistic stimuli and environments, maintaining at the same time a controlled laboratory setting and collecting advanced measures of cognitive functioning. This systematic review aims to present how VR procedures for neuropsychological testing have been implemented in the last years. We initially explain the rationale for supporting VR as an advanced assessment tool, but we also discuss the challenges and risks that can limit the widespread implementation of this technology. Then, we systematised the large body of studies adopting VR for neuropsychological testing, describing the VR tools' distribution amongst different cognitive functions through a PRISMA-guided systematic review. The systematic review highlighted that only very few instruments are ready for clinical use, reporting psychometric proprieties (e.g. validity) and providing normative data. Most of the tools still need to be standardised on large cohorts of participants, having published only limited data on small samples up to now. Finally, we discussed the possible future directions of the VR neuropsychological test development linked to technological advances.     

Exploring the peer status prototypes: A large-scale latent profile analysis on high-school students from four European countries

Peer status – the regard other group members have of an individual – is fundamental for youth development. Different research traditions developed independent theoretical frameworks conceiving the dimensions underlying social status, and this led to identifying a variety of peer status prototypes. In this work, we explored whether a classification based on the four dimensions of popularity, aggression, dislike, and victimization could integrate the scattered peer status profiles found in the different traditions. A latent profile analysis on 16,224 European students identified the peer status prototypes of popular, bullies, disliked, victims, and average students. Both the peer- and self-reported correlates supported that the five profiles accounted for the large variety of the students' profiles in the literature. These findings suggest that the adoption of a multidimensional approach supported by advanced statistical procedures could identify students' peer status profiles more effectively, replacing classifications based on cutoffs, and leading to a unified students' classification.     

Cultural group norms for harmony explain the puzzling negative association between objective status and system justification in Asia

Why do poorer and less educated Asians trust their institutions of governance more than their richer and well educated counterparts, despite their disadvantaged position within society? System justification theory (SJT) assumes that this trust is driven by a system-level motivation that operates independently from social identity needs. In two nationally representative surveys spanning several years (N_total = 221,297), we compared SJT's explanation with a newer social identity model of system attitudes (SIMSA): that system justification amongst disadvantaged Asians is driven by a group norm for harmony, especially amongst those who are strongly invested in their national ingroup. The results supported SIMSA more than SJT. Specifically, a strong sense of national identification boosted trust in systems of governance amongst poorer and less-educated Asians, both when societal norms for harmony (Study 1), and personal endorsement of this norm (Study 2) were strong. Hence, social identity needs help to explain stronger system justification among objectively disadvantaged Asians.     

Gulliver’s Eggs: Why Methods are not an Issue of Qualitative Research in Cultural Psychology

The future of qualitative methods regards the kind of object cultural psychology is interested and the kind of questions it can ask. I propose that the object should be experiencing, understood as a complex whole, consisting of lived-by action and counter-action, that is contextual inter-action with the world in the form of an experiencing subject and otherness. The kind of questions cultural psychology can ask is instead related to the epistemological status attributed to both researcher and participant. Probably few scholars such as Vygotsky, Piaget and Lewin understood to what extent experiencing is always changing, because the relationship between mind, alterity and culture is co-generative. This also implies a relativization and a decentralization of the psychology’s perspective. Finally, I provide some examples from the history of psychology and some suggestions to work at the level of such complexity by using methods that can work with complex objects such as products of human activity (e.g., art, literature, architecture, etc.).     

Personal and social aspects of professional identity.: An extension of Marcia's identity status model applied to a sample of university students

The study proposed an extension of Marcia's identity status model based on validation of the Professional Identity Status Questionnaire (PISQ-5d), a scale able to measure both intra-individual and intergroup processes connected with the development of a professional identity in university students. The aims were to prove the construct validity of the PISQ-5d, to determine the appropriate number of identity statuses, and to assess the concurrent validity of the identity statuses considering both job-related and academic factors. In this study, 477 university students completed a questionnaire with the PISQ-5d scale; 220 also completed the measures of work values; and 168 completed the measures of student self-esteem and self-efficacy, academic motivation, and grades. Results confirmed the expected five-dimensional structure of the PISQ-5d and the scale's effectiveness at differentiating five types of identity status. Relationship between professional identity status and job-related and academic factors showed that the students with achievement or foreclosure identities had higher scores on measures of academic self-esteem and intrinsic work value and had lower scores for intention to leave university. Implications in terms of considering the PISQ-5d scale a useful tool for the evaluation of professional identity construction processes in university students will be discussed.     

Revisiting Milgram’s Cyranoid Method: Experimenting With Hybrid Human Agents

In two studies based on Stanley Milgram’s original pilots, we present the first systematic examination of cyranoids as social psychological research tools. A cyranoid is created by cooperatively joining in real-time the body of one person with speech generated by another via covert speech shadowing. The resulting hybrid persona can subsequently interact with third parties face-to-face. We show that naïve interlocutors perceive a cyranoid to be a unified, autonomously communicating person, evidence for a phenomenon Milgram termed the “cyranic illusion.” We also show that creating cyranoids composed of contrasting identities (a child speaking adult-generated words and vice versa) can be used to study how stereotyping and person perception are mediated by inner (dispositional) vs. outer (physical) identity. Our results establish the cyranoid method as a unique means of obtaining experimental control over inner and outer identities within social interactions rich in mundane realism.