The role of reinforcement and nonreinforcement in an operant frustration effect

Male albino rats were run in a discrete-trial two-bar operant analog of the double alley. Completion of a FR 4 response chain on the first bar was rewarded 50% of the time for the 12 experimental Ss, but was never rewarded for the 12 control Ss. Both groups received consistent reward at the end of a FR 4 chain on the second bar. Eighty-four trials were given at a rate of four trials per day. A significantly faster rate of responding on the second bar was found following nonrewarded first-bar ratios than following rewarded first-bar ratios. This frustration effect was not attributable to response depression, since the nonrewarded performance of the experimental group exceeded that of the control group.     

Evaluating a computer‐based reading programme with children with Intellectual Disabilities: feasibility and pilot research

Increasing evidence indicates that individuals with Intellectual Disabilities (ID) might benefit from phonics‐based reading instruction. However, research and instruction in this field has predominantly focused on sight word reading. Models for complex interventions recommend that feasibility research be conducted prior to conducting randomised studies to assess efficacy of interventions (Thabane et al., 2010). The aim of the current paper is therefore to investigate feasibility questions relating to conducting a full‐scale randomised controlled trial (RCT) evaluation of an online, phonics‐based reading programme (Headsprout^? Early Reading; HER) with children with ID. Employing a randomised pre‐test post‐test group design, this study explores and trials important aspects of a RCT evaluation to inform a full‐scale RCT. We also found that HER had a significant effect on reading skills when compared with ‘education as usual’, with large effect sizes on the main outcome measure. This indicates that further, more robust evaluations using HER with children with ID are a worthwhile pursuit.     

Manpower needs in rural school psychology

The majority of unserved and underserved handicapped children live in rural America (Sher, 1978). One obstacle to serving these children is a lack of qualified staff (Helge, 1981). The turnover rates for rural and urban school psychologists in Virginia were determined for the years 1977–78 through 1979–80: the rate for rurai school psychologists is four times the rate for urban school psychologists (p<.001). Rural school psychologists who terminated employment and rural school psychologists who remained were surveyed on selected background variables in 1981. School psychologists who remained were much more likely than those who left to have been raised in a nonurban community. Implications for training programs are discussed.     

Parents as cotherapists in think aloud

Results of two case studies in which parents served as cotherapists in a social cognitive problem-solving program are presented. Larry, nine years old, was referred due to distractibility, immaturity, and impulsivity. Robert, eight years old, was referred for aggressive behaviors. Training occurred once a week for 50 minutes for 17 weeks for Larry and for 15 weeks for Robert. Parents were included in training in an effort to promote generalization and transfer of training outcomes. The parents' role included cognitive modeling, reinforcing, providing problem situations from the prior week, and extending training through generalization tasks at home. The following dependent measures were obtained in a pre-post design: Conners Teacher and Parent Rating Scales, Sociometric measures, WISC-R Mazes and Block Design, tests of consequential and means-end thinking, and observations of task-relevant and irrelevant self-verbalizations during Mazes and Block Design: Treatment effects were found for both boys on the parent and teacher versions of the Conners questionnaire. Larry improved in task relevant self-verbalizations, Mazes performance, and consequential and means-end thinking, but he did not improve on the sociometric measures. Robert improved on the sociometric measures, but not on task-relevant self-verbalizations, Mazes, Block Design, or consequential or means-end thinking. While these results are encouraging, limitations of the study limit generalizability of findings. Studies of the long-term benefits of training are needed to determine the cost effectiveness of incorporating parents as cotherapists in social cognitive problem-solving therapy.     

Sprint running kinematics and kinetics in pre-peak-height-velocity male children on a non-motorised treadmill: reliability and normative data

The purpose of this study was to quantify the reliability of kinematic and kinetic variables using a sample of pre-peak-height-velocity (PHV) male athletes sprinting on a non-motorised treadmill. Following variables were measured and their normative data presented, average and peak velocity, average and peak power, average and peak horizontal force, average and peak vertical force, average step frequency, average step length, average work. Twenty-five participants performed three 5-s all-out sprints from a standing split start on a non-motorised treadmill on three separate occasions. Per cent change in the means (-3.66 to 3.35%) and coefficients of variation (0.56–7.81%) were thought reliable for all variables. However, average step rate, average horizontal force and average vertical force did not meet the standards (≥0.70) set for acceptable intraclass correlation coefficients (ICC). Due to the homogeneous group, it was expected to receive low ICC values. Therefore, youth sprinting performance can be tested reliably on a non-motorised treadmill, especially if the per cent change in the mean and CV are deemed the important reliability measures. Normative data are given for the participant’s age as well as their maturity level for kinematic and kinetic variables.     

Racial Justice,Hegemony, and Bias Incidents in U.S. Higher Education

Formal administrative protocols for responding to bias incidents are now the norm in higher education. In considering these developments, the author of this article poses critical questions about racial justice work on campus, identifies key features of an under-acknowledged institutional racism, and contributes to discussions about ways that diversity and social justice efforts often reproduce rather than challenge systemic inequities.     

Understanding the experiences of bilingual,Latino/a adolescents: Voices from gifted and general education

Eight gifted and eight general‐education students engaged in discussions regarding their observations of, experiences in, and recommendations for education. Six categories emerged through qualitative analysis of their conversations. These categories include: problem solving, task commitment, self‐perceptions, education, communication, and discrimination. Content within each category provides a glimpse into the students’ perceptions of their schooling experiences. The roles of ethnic identity development, identification with majority culture, adolescence, and gifted‐ness are examined and recommendations for future research are provided.