A comparison of procedural variations in teaching behavior chains: manual guidance, trainer completion, and no completion of untrained steps

We compared variations for teaching a sequence of responses through forward chaining. Seven children who had been diagnosed with autism participated in a comparison of teacher completion (TC) of steps beyond the training step and manually guiding the student (SC) to complete steps beyond the training step. A no-completion (NC) condition, in which the steps beyond the training step were not completed, was added to the comparison with 4 of the participants. Results showed that learning occurred with all procedures, although 5 participants acquired the chains most efficiently in the SC condition and the other 2 learned most efficiently in the TC condition. Of the participants for whom an NC condition was included, the tasks were acquired with the shortest average session length and total training time. Despite the potential benefits of TC and SC procedures, NC is a viable option and may be preferable for some students.     

FATHER PLAY: IS IT SPECIAL?

Both mothers and fathers play with their children, but research on parent–child play interactions is conducted with mothers three times more often than it is with fathers. The articles in this special issue address this gap by focusing on the nature and quality of father–child play, across cultural contexts, and considering whether father play offers something unique and special for early human development, in infancy or early childhood. The studies show that fathers can be just as developmentally supportive as are mothers in terms of being playful and engaged with their children in ways that are related to greater child socioemotional competence, emotion regulation, and vocabulary, and to less aggression, anxiety, and negativity. We encourage future research to examine the cultural influences, family system dynamics, and specificity of timing and types of father–child play in relation to children's developmental competence.     

Infant's perception of goal-directed actions performed by a mechanical device

The present work investigated whether by the end of the first year, infants interpret actions performed by a mechanical device as goal-directed and why they would do so. Using a modified version of the Woodward (1998) habituation paradigm, 9- and 12-month-old infants were tested in a condition in which they saw a mechanical claw performing an action (Study 1). When infants viewed the claw grasping and transporting objects to the back of a stage, 12-month-old but not 9-month-old infants interpreted the action as goal-directed. In Study 2, 9-month-olds received prior to habituation an information phase showing infants how a human held and operated the claw. This enrichment of infants’ knowledge enabled 9-month-old infants to interpret the action display as goal-directed. The role of the developing means-end understanding and tool-use for infants’ interpretation of actions performed by a mechanical device is discussed.     

家中游戏情境对父婴交流行为的影响

采用录像手段,考察真实的家庭环境中,自由游戏和完成任务游戏情境对16对父婴交流行为的影响。研究结果表明：父亲表现出高控制的交流行为,以行动指令和信息祈求①为主,孩子则以顺从行为为主。游戏情境对父亲的部分交流行为有明显影响,父亲在自由游戏中的信息祈求行为①比在任务游戏中多,断言行为②比在任务游戏中少。总体上,父亲根据游戏情境调整自己的交流行为,婴儿也表现出相应的适应性行为。     

Breaking and creating habits on the working floor: A field-experiment on the power of implementation intentions

Previous research has shown that implementation intentions are effective tools to promote new behavior. The present study aimed to provide the first evidence that conscious planning is an effective tool in replacing well-learned habits with new habits. This was tested in a field-experiment on repetitive behavior in the domain of recycling, using 109 employees of a tele-company as participants. Recycling behavior of the participants was observed by the actual amount of paper and the number of plastic cups in their personal wastebaskets. Following a pre-measure, participants were assigned to either implementation intention conditions, conditions in which an eye-catching facility was placed to promote recycling behavior, or control conditions. Recycling behavior was substantially improved in the facility as well as the implementation intention conditions in week 1 and week 2 and still 2 months after the manipulation. These data supported our hypothesis that planning breaks down unwanted habits and creates new ones.     

Sex Differences in Mothers' Speech and Play Behavior with 6-, 9-, and 14-Month-Old Infants

In this study, we analyzed mothers' speech and play behavior with their 6-, 9-, and 14-month-old sons and daughters. Thirty-six infant–mother dyads participated in a 10-min free-play session with gender-neutral toys. No sex differences were found in the infants' behavior, but sex differences were found in mothers' verbal behavior and level of engagement. Mothers of daughters made more interpretations and engaged in more conversation with their daughters, whereas mothers of sons made more comments and attentionals, which were typified by instructions rather than conversation. Furthermore, mothers interacted more with their daughters than with their sons across all ages. Overall, these results demonstrate that mothers transmit different messages to their male and female infants, both through language and interaction, which may contribute to infants' gender role development.     

Evaluation of the effects of a childhood depression prevention program

The study aimed to design and evaluate a program for the prevention of childhood depression (“Pozik-Bizi” [in English, “Live-Happily”]), comparing its effects with a socio-emotional intervention program based on cooperative play. The sample comprised 420 students aged 7 to 10?years from the Basque Country, 51.9% were randomly assigned to the experimental condition (“Pozik-Bizi”) program and 48.1% to the control group (“Play program”). Using a pretest-posttest repeated measures experimental design, 7 evaluation instruments were administered. When comparing the two interventions, it was confirmed that those who participated in the “Pozik-Bizi” program significantly decreased their level of clinical maladjustment, school maladjustment, emotional, and behavioral problems, and they increased positive behaviors that inhibit depression. However, the cooperative play program improved self-concept and social skills significantly more than the “Pozik-Bizi” program. The effect size in all the variables was small. The discussion analyzes the effectiveness of specific programs of prevention of childhood depression versus global programs of social-emotional development. This work provides a program to prevent childhood depression that has been shown to be effective in the reduction of clinical variables. In addition, this study confirms the positive potential of programs of cooperative play, to increase self-concept and social skills.     

Impact of play therapy on parent-child relationship stress at a mental health training setting

This study investigated the impact of Child-Centred Play Therapy (CCPT)/Non-Directive Play Therapy on parent-child relationship stress using archival data from 202 child clients divided into clinical behavioural groups over 3-74 sessions in a mental health training setting. Results demonstrated significant differences between pre and post testing on the Parenting Stress Index. CCPT appeared to be especially effective with children identified with clinical externalising behavioural problems, combined externalising and internalising behavioural problems, and children who were not categorised with clinical problem behaviours but whose parents sought counselling services for them. There were also significant differences determined by length of therapy. Results are discussed concerning implications for clinical practice and further research.     

Emergence of Information Transfer by Inductive Learning

We study a simple game theoretic model of information transfer which we consider to be a baseline model for capturing strategic aspects of epistemological questions. In particular, we focus on the question whether simple learning rules lead to an efficient transfer of information. We find that reinforcement learning, which is based exclusively on payoff experiences, is inadequate to generate efficient networks of information transfer. Fictitious play, the game theoretic counterpart to Carnapian inductive logic and a more sophisticated kind of learning, suffices to produce efficiency in information transfer.