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1.
Bob Algozzine 《Exceptionality》2013,21(2):65-66
Abstract In this article, we describe an investigation in which a teacher taught four students with moderate mental retardation to read sight words using a progressive time‐delay procedure. Definitions of the target words were presented incidentally in the consequent statement. Through the small‐group arrangement, students had the opportunity to learn through observation the other students' target words and incidental information. All students acquired their target words and at least 50% of the incidental and observational words and definitions to which they were exposed. We interpret these data as suggesting that teachers should systematically include related nontargeted information in their instruction and provide opportunities for observational learning to occur. 相似文献
2.
This study evaluated the effectiveness and efficiency of constant time delay (a near errorless learning procedure) in a small-group instructional arrangement. Three fifth-grade students with learning disabilities were taught to recognize multisyllabic basal vocabulary words. A multiple-probe design across behaviors (word sets) was used to evaluate the procedure. Following instruction on each word set, students were assessed on their ability to recognize their own target words, recognize observational words, spell both target and observational words, and define both target and observational words. The results indicated that the constant time-delay procedure was reliably implemented and was effective in establishing criterion-level performance for all students with extremely low error percentages. 相似文献
3.
Patricia L. Wolford William L. Heward Sheila R. Alber 《Learning disabilities research & practice》2001,16(3):161-173
Four 8th graders with learning disabilities were taught to recruit assistance from peers during cooperative learning activities in two general education classrooms. The students were taught to show their work to a peer and make statements such as:“Can you help me?” or “How am I doing so far?” Training was conducted in the special education classroom and consisted of modeling, role playing, corrective feedback, and praise. A multiple baseline across students design showed that recruitment training increased (1) the rate of recruiting responses by the students, (2) the rate at which the students received instructional feedback and praise from peers, and (3) the productivity and accuracy with which the students completed their language arts assignments. 相似文献
4.
Twenty-five adolescents with learning disabilities were randomly assigned to either a keyword mnemonic condition or an experimenter-directed rehearsal condition and were individually taught 16 difficult vocabulary words, including 8 concrete and 8 abstract words. After an instructional period, students were given a test of literal recall as well as a comprehension test of their ability to apply newly acquired vocabulary words in a different context. Results indicated that mnemonically trained students outperformed control students on both abstract and concrete words, and on recall tests as well as on comprehension tests. Implications for vocabulary instruction as well as theories of learning disabilities are discussed. 相似文献
5.
This study investigated the effectiveness of a constant time delay procedure in teaching adolescents with learning or behavior disorders. Subject matter included social studies and health facts presented in small-group settings. In addition, the study assessed the effects of two attentional responses (general--looking at the target stimuli, or specific--repeating the teacher's question) on students' acquisition of other students' facts and of related nontarget information. Two types of feedback for correct responses were presented: praise plus additional information, and general praise only. Results of various measures indicate that (a) the constant time delay procedure was reliable and effective; (b) students not only acquired targeted facts with few errors, but also acquired some other nontargeted facts, such as information presented along with feedback; and (c) specific attentional responses facilitated acquisition of observational and incidental facts and maintenance of learning. 相似文献
6.
This study investigated the effectiveness of combining simultaneous prompting (SP) and constant time delay (CTD) (hereafter SP–CTD instructional sequence) in teaching early academic skills to five students with intellectual disabilities (ID). A multiple-probe design was used to examine the functional relationship between the SP and CTD instructional sequence and the acquisition of letter–sound correspondences and number recognition. The results showed the effectiveness of the procedure, as all students acquired their target skills in 7–12 sessions, with an average error rate of 8%. Maintenance effects were assessed at 2, 6, and 10 weeks after the intervention to measure participants’ retention of these acquired skills. Three students preserved their skills with 100% accuracy, while two students did so with more than 90% accuracy. The data indicate that instruction consisting of probe trials, 0-s trials, and 5-s trials leads to improvements in early academic skills among students with ID. 相似文献
7.
This study used a within-subjects design to explore two instructional conditions for developing vocabulary in second-grade Spanish-speaking English learners (ELs)—extended instruction and embedded instruction implemented during shared interactive reading. Words assigned to the extended condition were directly taught using a multifaceted approach that included visuals, bilingual definitions, examples, spelling, and partner-talk about the words’ meaning. Words assigned to the embedded condition were taught solely through brief definitions to embedded text, writing activities, and songs. In the control condition students heard the target words read aloud during shared interactive reading but without definitions or direct instruction. The study also explored the interaction between instructional condition and word type. Four types of words—abstract cognates, abstract noncognates, concrete cognates, and concrete noncognates—were randomly assigned to each condition. Nine teachers in four schools and 187 second-grade ELs participated in this within-subjects intervention, which took place in transitional bilingual classrooms. Findings indicated that across all word types, both extended and embedded instruction were more effective than the control condition in helping ELs acquire vocabulary. Findings also indicated that extended instruction was more effective then embedded instruction for all word types except concrete cognates suggesting that these young Spanish-speaking ELs were advantaged by word knowledge in their home language. Finally, while embedded instruction was less effective than extended instruction, it was much more effective than a control condition. Embedded instruction takes significantly less preparation and instructional time than extended instruction, offering teachers a practical way to teach more vocabulary to ELs. 相似文献
8.
N. Dale Bryant Harriet R. Fayne Maribeth Gettinger 《Journal of Experimental Education》2013,81(3):116-121
The present study evaluated the effect of applying a mastery learning model to sight word instruction for learning disabled (LD), elementary school children. A total of 48 LD children were taught 30 sight words in 9 lessons which incorporated mastery learning strategies, and a comparison group (W = 16) with methods that are typically used in the teaching of sight words. While all children could read less than 10% of the words on the pretest, the experimental group achieved over 90% accuracy on the posttest. This was higher than the average posttest performance of the comparison group (72% accuracy). Results of this investigation suggest that a majority of LD children can reach mastery on sight words within a reasonable time framework if sound remedial principles are applied consistently. The procedures described in this paper can serve both as a model of effective sight word instruction and as a diagnostic, trial-remediation technique for a disabled population. 相似文献
9.
We conducted a laboratory‐based randomized control study to examine the effectiveness of inquiry‐based instruction. We also disaggregated the data by student demographic variables to examine if inquiry can provide equitable opportunities to learn. Fifty‐eight students aged 14–16 years old were randomly assigned to one of two groups. Both groups of students were taught toward the same learning goals by the same teacher, with one group being taught from inquiry‐based materials organized around the BSCS 5E Instructional Model, and the other from materials organized around commonplace teaching strategies as defined by national teacher survey data. Students in the inquiry‐based group reached significantly higher levels of achievement than students experiencing commonplace instruction. This effect was consistent across a range of learning goals (knowledge, reasoning, and argumentation) and time frames (immediately following the instruction and 4 weeks later). The commonplace science instruction resulted in a detectable achievement gap by race, whereas the inquiry‐based materials instruction did not. We discuss the implications of these findings for the body of evidence on the effectiveness of teaching science as inquiry; the role of instructional models and curriculum materials in science teaching; addressing achievement gaps; and the competing demands of reform and accountability. © 2009 Wiley Periodicals, Inc. J Res Sci Teach 47:276–301, 2010 相似文献
10.
《The American journal of distance education》2013,27(2):99-113
In this study the investigator compared two sections of the same course-one section was online and asynchronous; the other was face-to-face-by examining gender, age, learning preferences and styles, media familiarity, effectiveness of tasks, course effectiveness, test grades, and final grades. The two sections were taught by the same instructor and used the same instructional materials. The results revealed no significant differences in test scores, assignments, participation grades, and final grades, although the online group's averages were slightly higher. Ninety-six percent of the online students found the course to be either as effective or more effective to their learning than their typical face-to-face course. There were no significant differences between learning preferences and styles and grades in either group. The study showed that equivalent learning activities can be equally effective for online and face-to-face learners. 相似文献
11.
Sara J. Hines Deborah L. Speece Caroline Y. Walker Lisa M. W. DaDeppo 《Reading and writing》2007,20(6):539-552
We conducted two case studies to evaluate the effectiveness of individualized remedial reading instruction linked to direct
measures of student learning and transfer. The participants were two first grade children at serious risk of reading failure.
The instruction targeted decoding of one syllable short vowel words and first emphasized onset-rimes and then phoneme manipulation.
Forty words organized into 10 rime patterns were targeted for instruction. Probes consisting of all the instructional words
were administered before each instructional session to monitor student progress. We also administered transfer probes to determine
if the children could apply their knowledge more broadly. Instruction with onset-rime units yielded excellent maintenance
and near transfer (novel words containing instructed rimes) but not far transfer (novel words derived from uninstructed rimes).
The instructional change to phoneme manipulation yielded better far transfer for one of the two children. We consider the
importance of administering measures that assess more than what is taught to get an accurate portrait of children’s responsiveness
to instruction. 相似文献
12.
Previous research has demonstrated the importance of examining the instructional efficiency of academic interventions and has defined efficiency as the number of items learned per instructional minute. Maintenance of the skill is also an important instructional goal, however. Therefore, the current study compared efficiency metrics using initial learning and maintenance with 25 fourth‐grade students. Each student was taught the pronunciation and English translation of 12 words from the Esperanto international language with two instructional conditions (six words for each condition). The first condition was traditional drill (TD) rehearsal with all unknown words, and the second was incremental rehearsal (IR) with one unknown and eight known words. Results indicated that, although the IR condition led to significantly more words being retained, TD was significantly more efficient using initial learning. The two conditions were equally efficient, however, when maintenance data were used. Therefore, evaluating the efficiency of instructional interventions should consider maintenance data as well. © 2009 Wiley Periodicals, Inc. 相似文献
13.
An important, but as yet unresolved pedagogical question is whether discovery-oriented or direct instruction methods lead to greater learning and transfer. We address this issue in a study with 101 fourth and fifth grade students that contrasts two distinct instructional methods. One is a blend of discovery and direct instruction called Invent-then-Tell (IT), and the other is a version of direct instruction called Tell-then-Practice (TP). The relative effectiveness of these methods is compared in the context of learning a critical inquiry skill—the control-of-variables strategy. Previous research has demonstrated the success of IT over TP for teaching deep domain structures, while other research has demonstrated the superiority of direct instruction for teaching simple experimental design, a domain-general inquiry skill. In the present study, students in both conditions made equally large gains on an immediate assessment of their application and conceptual understanding of experimental design, and they also performed similarly on a test of far transfer. These results were fairly consistent across school populations with various levels of prior achievement and socioeconomic status. Findings suggest that broad claims about the relative effectiveness of these two distinct methods should be conditionalized by particular instructional contexts, such as the type of knowledge being taught. 相似文献
14.
There is reliable evidence that new vocabulary is primarily acquired through wide independent reading. However, struggling readers tend to avoid reading, resulting in limited word encounters and inadequate vocabulary growth, and they often have difficulties inferring the meanings of new words from context. While there are no clear solutions to the problem of vocabulary acquisition for older students with reading difficulties, there are instructional approaches that have some evidence of effectiveness for this population. We describe the research base and promising practices related to three aspects of vocabulary instruction: (1) creating a verbal learning environment that fosters word consciousness, (2) selecting and teaching specific words, and (3) teaching an independent word learning strategy through a combination of contextual and morphemic analysis. These instructional approaches are grounded in overarching principles recognized by researchers as being characteristic of effective instruction for students with learning difficulties, including explicit instruction, promoting cognitive and collaborative engagement, and providing many opportunities for practice, including distributed practice, with teacher feedback. Finally, we discuss the possibilities inherent in a cross‐content schoolwide approach to vocabulary instruction at the secondary level. We conclude with a call for additional research examining the effectiveness of instructional approaches to vocabulary development for secondary school students with reading difficulties, including a schoolwide collaborative model. 相似文献
15.
Abstract Despite the apparent advantages of incorporating logographic symbols in procedures intended to teach children with severe learning difficulties to recognise words, such procedures have never proved successful. Their failure has been attributed to a blocking effect that is induced by the additional cues. The blocking effect account predicts that any method that involves introducing additional stimulus cues will be inefficient for teaching word recognition, compared with a word alone method. A new technique was devised in an attempt to surmount this problem. The basis of the technique draws on a range of research areas. Children who had no reading skills and had previously failed to gain any sight vocabulary were taught to recognise 12 words. An experiment compared a word alone method with two variants of the new technique. Both versions were more successful than the word alone method at teaching the children to recognise the words. The findings refute the view that any procedure that incorporates additional cues will necessarily be ineffective. For students who have hitherto made no progress at all in learning to recognise words, the new technique offers an effective instructional procedure. 相似文献
16.
Written expression of students with and without learning disabilities: differences across the grades 总被引：2，自引：0，他引：2
This study compares the written expression of 48 students with learning disabilities (LD) and 48 normally achieving (NA) students (Grades 4, 8, and 11). Productivity, syntactic maturity, vocabulary, and mechanics were examined using writing samples obtained in response to a standard stimulus. Results indicate that, compared to their NA peers, students with learning disabilities write fewer words and sentences, write more words per sentence, produce fewer words with seven letters or more and fewer sentence fragments, and have a higher percentage of capitalization and spelling errors. No group differences were found for the number of T-units produced or the number of morphemes per T-unit. Comparison of group differences at each grade level and differences by groups across the grades reveals persistent written expression difficulties and signals a need for a careful review of current instructional practices and how they can be improved. 相似文献
17.
We assessed the impact of expert students' instructional quality on the academic performance of novice students in 12th-grade physics classes organized in an expert model of cooperative learning (‘jigsaw classroom’). The instructional quality of 129 expert students was measured by a newly developed rating system. As expected, when aggregating across all four subtopics taught, regression analysis revealed that academic performance of novice students increases with the quality of expert students' instruction. The difficulty of subtopics, however, moderates this effect: higher instructional quality of more difficult subtopics did not lead to better academic performance of novice students. We interpret this finding in the light of Cognitive Load Theory. Demanding tasks cause high intrinsic cognitive load and hindered the novice students' learning. 相似文献
18.
One of the factors affecting students' learning in science is their existing knowledge prior to instruction. The students' prior knowledge provides an indication of the alternative conceptions as well as the scientific conceptions possessed by the students. This study is concerned primarily with students' alternative conceptions and with instructional strategies to effect the learning of scientific conceptions; i.e., to effect conceptual change from alternative to scientific conceptions. The conceptual change model used here suggests conditions under which alternative conceptions can be replaced by or differentiated into scientific conceptions and new conceptions can be integrated with existing conceptions. The instructional strategy and materials were developed for a particular student population, namely, black high school students in South Africa, using their previously identified prior knowledge (conceptions and alternative conceptions) and incorporate the principles for conceptual change. The conceptions involved were mass, volume, and density. An experimental group of students was taught these concepts using the special instructional strategy and materials. A control group was taught the same concepts using a traditional strategy and materials. Pre- and posttests were used to assess the conceptual change that occurred in the experimental and control groups. The results showed a significantly larger improvement in the acquisition of scientific conceptions as a result of the instructional strategy and materials which explicitly dealt with student alternative conceptions. 相似文献
19.
Applying constructivism: A test for the learner-as-scientist 总被引：2，自引：1，他引：1
Tom Cobb 《Educational technology research and development : ETR & D》1999,47(3):15-31
Constructivist learning theory predicts that knowledge encoded from data by learners themselves will be more flexible, transferable, and useful than knowledge encoded for them by experts and transmitted to them by an instructor or other delivery agent. If this prediction is correct, then learners should be modeled as scientists and use the reasoning and technologies of scientists to construct their own knowledge. However, it cannot be taken for granted that the prediction is correct, or correct in every knowledge domain. The present study attempts to establish conditions in which the prediction can be operationalized and tested. It reports on the adaptation of constructivist principles to instructional design in a particular domain, second language vocabulary acquisition. Students learning English for academic purposes in the Sultanate of Oman followed one of two approaches to vocabulary expansion, learning pre-encoded dictionary definitions of words, or constructing definitions for themselves using an adapted version of the computational tools of lexicographers. After 12 weeks, both groups were equal in definitional knowledge of target words, but lexicography group students were more able to transfer their word knowledge to novel contexts. 相似文献
20.
Rola Khishfe 《International Journal of Science Education》2013,35(17):2928-2953
The purpose of this study was to (a) investigate the effectiveness of explicit nature of science (NOS) instruction in the context of controversial socioscientific issues and (b) explore whether the transfer of acquired NOS understandings, which were explicitly taught in the context of one socioscientific context, into other similar contexts (familiar and unfamiliar) was possible. Participants were 10th grade students in two intact sections at one high school. The treatment involved teaching a six-week unit about genetic engineering. For one group (non-NOS group), there was no explicit instruction about NOS. For the other group (NOS group), explicit instruction about three NOS aspects (subjective, empirical, and tentative) was dispersed across the genetic engineering unit. A questionnaire including two open-ended scenarios, in conjunction with semi-structured interviews, was used to assess the change in participants’ understandings of NOS and their ability to transfer their acquired understandings into similar contexts. The first scenario involved a familiar context about genetically modified food and the second one focused on an unfamiliar context about water fluoridation. Results showed no improvement in NOS understandings of participants in the non-NOS group in relation to the familiar and unfamiliar contexts. On the other hand, there was a general improvement in the NOS understandings of participants in the NOS group in relation to both the familiar and unfamiliar contexts. Implications about the transfer of participants’ acquired NOS understandings on the basis of the distance between the context of learning and that of application are highlighted and discussed in link with the classroom learning environment. 相似文献