Sorting out successful failures: Exploratory analyses of factors associated with academic and behavioral outcomes of retained students

This prospective longitudinal study followed a sample of 106 kindergarten students through 11th grade examining the effects of family characteristics, school readiness, socialization, and student demographics on academic achievement and behavioral adjustment outcomes. These educational outcomes were contrasted among four groups consisting of: 1) early grade retainees; 2) transitionally placed retained students; 3) students recommended for transitional placement, but promoted; and 4) regularly promoted students. While previous studies examining the efficacy of early grade retention focus exclusively on between‐group comparisons, this study examines the family and individual characteristics of successful and unsuccessful retained students by including both between‐group and within‐group effects on academic and behavioral outcomes. The results of this study demonstrate that retained students' initial school readiness, socioeconomic status, mother's level of education, parental value of education, kindergarten personal‐social functioning, and chronological age are distinctly associated with subsequent academic or behavioral outcomes. Variables associated with relative educational success following early failure are delineated and research implications are discussed. © 2001 John Wiley & Sons, Inc.     

Technology affordances: the 'real story' in research with K-12 and undergraduate learners

Computer technologies for learning environments have been introduced with great expectations for improved learning outcomes. However, the great improvements have not materialised; some of these extant studies are examined. Of all the explanations for these disappointing results, the least examined are the affordances of the computer tools. This paper provides a rationale for studying affordances and presents two studies in K‐12 and undergraduate settings showing how powerful affordances are in affecting outcomes. Finally, the paper presents guidelines on how to gradually move students from a game affordance of a computer to a learning mode.     

Wanted: Gerontological Social Workers—Factors Related to Interest in the Field

This study attempted to build a predictive model of factors related to social work students’ interest in gerontological social work. Bachelor's and Master's students from universities around Texas were surveyed to determine if knowledge about the aging process and related job opportunities, attitudes toward aging and professional or personal experience with the older population could predict interest in the field. Using regression analysis, knowledge, attitudes, and experience did not predict interest very well. Only knowledge of the aging process, professional experience, and perceived closeness were significant variables with experience found to be the best predictor of interest in the field.     

Prediction of learning and comprehension when adolescents read multiple texts: the roles of word-level processing, strategic approach, and reading motivation

Sixty-five Norwegian 10th graders used the software Read&Answer 2.0 (Vidal-Abarca et al., 2011) to read five different texts presenting conflicting views on the controversial scientific issue of sun exposure and health. Participants were administered a multiple-choice topic-knowledge measure before and after reading, a word recognition task, and a reading motivation inventory that included two dimensions: Science reading self-efficacy, focusing on readers’ beliefs about their capabilities to comprehend what they read in science, and science reading task value, focusing on readers’ beliefs about how important, useful, and interesting it is to comprehend science texts. In addition, strategic reading pattern was assessed in terms of the degree of non-linear reading behavior. Multiple regression analysis showed that word recognition skills strongly predicted learning from the texts, as assessed by participants’ increase in topic knowledge. However, when multiple-text comprehension indicated by performance on open-ended short-essay questions was the dependent variable, not only word recognition but also strategic reading pattern and science reading self-efficacy emerged as unique predictors when topic knowledge was controlled for. Science reading task value was not related to performance. This study provides new evidence that new literacy competencies needed in a knowledge society, such as synthesizing or integrating across multiple conflicting sources of information, still largely involve word-level, strategic, and motivational processes that may profitably be targeted through systematic instruction.     

Index ordering by query-independent measures

Conventional approaches to information retrieval search through all applicable entries in an inverted file for a particular collection in order to find those documents with the highest scores. For particularly large collections this may be extremely time consuming.     

Programmed cell death features in apple suspension cells under low oxygen culture

Suspension-cultured apple fruit cells (Malus pumila Mill. cv. Braeburn) were exposed to a low oxygen atmosphere to test whether programmed cell death (PCD) has a role in cell dysfunction and death under hypoxic conditions. Protoplasts were prepared at various times after low oxygen conditions were established, and viability tested by triple staining with fluorescein diacetate (FDA), propidium iodide (PI) and Hoechst33342 (HO342). DNA breakdown and phosphatidylserine exposure on the plasma membrane were observed using terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL), and annexin V binding. About 30% of protoplasts from cells after 48 h under low oxygen showed an increased accumulation of HO342, indicating increased membrane permeability. Positive TUNEL and annexin V results were also only obtained with protoplasts from cells under low oxygen. The results suggest that apple cell death under low oxygen is at least partially PCD mediated, and may explain tissue breakdown under controlled atmosphere (low oxygen) conditions in apple fruit.     

Uncontrollable water deliveries and subsequent finickiness

The present experiment investigated the alteration of ingestive behaviors as an outcome of exposure to uncontrollable water deliveries in order to examine the mechanisms underlying finickiness. The experiment employed a single treatment session during which rats were exposed to response-contingent, response-independent, or no-water deliveries in a triadic design. Subsequent two-bottle tests (quinine vs. water) conducted in the treatment apparatus revealed finickiness about the novel, bitter quinine solution in rats previously exposed to uncontrollable water deliveries. Thus, finickiness does not depend on the fear of aversive events, such as shock, but may be explained in terms of stress induction. The persistence of the finickiness effect for the 4 days of testing supports the interpretation that finickiness reflects a long-lasting associative component of helplessness.