Mirroring the Media: The Relationship Between Media Consumption,Media Internalization,and Profile Picture Characteristics on Facebook     

Sanja Kapidzic  Nicole Martins 《广播与电子媒介杂志》2015,59(2):278-297

Social cognitive theory suggests that stereotypes of attractiveness from mainstream media may function as models for online profile pictures. The present study explores the relationship between media consumption, internalization, and body-ism, clothing, and gaze through a content analysis of the Facebook profile pictures of 288 students, and a survey to assess their media consumption and internalization. The relationship between magazine exposure and pictures was mediated by internalization: magazine readers who internalized media ideals were more likely to select pictures showing their body in revealing clothing. Television viewing had a direct effect on picture selection, but was not mediated by internalization.  相似文献   

Nothing to Fear? An Analysis of College Students' Fear Experiences With Video Games     

Teresa Lynch  Nicole Martins 《广播与电子媒介杂志》2015,59(2):298-317

This study presents the results of a survey of 269 undergraduate students conducted to examine fright experiences caused by video games. Over half of the participants reported game-induced fear. Sex, sensation-seeking, and empathy all emerged as important individual differences in terms of enjoyment of frightening content, consumption of frightening content, and frequency of fright experience. Interactivity and presentations of realism also predicted fear. This work identifies titles, stimuli, and features that caused fright experience.  相似文献   

Osmotically driven drug delivery through remote-controlled magnetic nanocomposite membranes     

A. Zaher  S. Li  K. T. Wolf  F. N. Pirmoradi  O. Yassine  L. Lin  N. M. Khashab  J. Kosel 《Biomicrofluidics》2015,9(5)

Implantable drug delivery systems can provide long-term reliability, controllability, and biocompatibility, and have been used in many applications, including cancer pain and non-malignant pain treatment. However, many of the available systems are limited to zero-order, inconsistent, or single burst event drug release. To address these limitations, we demonstrate prototypes of a remotely operated drug delivery device that offers controllability of drug release profiles, using osmotic pumping as a pressure source and magnetically triggered membranes as switchable on-demand valves. The membranes are made of either ethyl cellulose, or the proposed stronger cellulose acetate polymer, mixed with thermosensitive poly(N-isopropylacrylamide) hydrogel and superparamagnetic iron oxide particles. The prototype devices'' drug diffusion rates are on the order of 0.5–2 μg/h for higher release rate designs, and 12–40 ng/h for lower release rates, with maximum release ratios of 4.2 and 3.2, respectively. The devices exhibit increased drug delivery rates with higher osmotic pumping rates or with magnetically increased membrane porosity. Furthermore, by vapor deposition of a cyanoacrylate layer, a drastic reduction of the drug delivery rate from micrograms down to tens of nanograms per hour is achieved. By utilizing magnetic membranes as the valve-control mechanism, triggered remotely by means of induction heating, the demonstrated drug delivery devices benefit from having the power source external to the system, eliminating the need for a battery. These designs multiply the potential approaches towards increasing the on-demand controllability and customizability of drug delivery profiles in the expanding field of implantable drug delivery systems, with the future possibility of remotely controlling the pressure source.  相似文献   

Modifications of Recognition Memory Processes in Preterm Children: An Event‐Related Potential Study          下载免费PDF全文

Kerstin H. Kipp  Axel Mecklinger  Nicole Brunnemann  Mohammed G. Shamdeen  Juliane Meng‐Hentschel  Ludwig Gortner 《Child development》2015,86(2):379-393

Prematurity may cause hippocampal compromise. Therefore, hippocampus‐dependent memory processes (recollection‐based retrieval) may be more impaired than hippocampus‐independent processes (familiarity‐based retrieval). The memory of 18 children born preterm with reduced hippocampal volumes, without neonatal complications (weeks of gestation < 34, weight < 1,600 g), and 15 controls (8–10 years) was tested using an item recognition task. While groups were equal in memory performance, dissociation was found: The event‐related potential (ERP) correlate of familiarity was intact in the preterm group, whereas the correlate of recollection was attenuated. A follow‐up experiment ruled out that this was due to general cognitive deficits. Furthermore, gestational age correlated with the ERP index of recollection. Thus, recognition memory in preterm children may be characterized by a compensation of attenuated recollection by familiarity.  相似文献   

Easy as ABCABC: Abstract Language Facilitates Performance on a Concrete Patterning Task          下载免费PDF全文

Emily R. Fyfe  Nicole M. McNeil  Bethany Rittle‐Johnson 《Child development》2015,86(3):927-935

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Validation of the Instructional Materials Motivation Survey (IMMS) in a self‐directed instructional setting aimed at working with technology          下载免费PDF全文

Nicole Loorbach  Oscar Peters  Joyce Karreman  Michaël Steehouder 《British journal of educational technology : journal of the Council for Educational Technology》2015,46(1):204-218

The ARCS Model of Motivational Design has been used myriad times to design motivational instructions that focus on attention, relevance, confidence and satisfaction in order to motivate students. The Instructional Materials Motivation Survey (IMMS) is a 36‐item situational measure of people's reactions to instructional materials in the light of the ARCS model. Although the IMMS has been used often, both as a pretest and a posttest tool serving as either a motivational needs assessment prior to instruction or a measure of people's reactions to instructional materials afterward, the IMMS so far has not been validated extensively, taking statistical and theoretical aspects of the survey into account. This paper describes such an extensive validation study, for which the IMMS was used in a self‐directed instructional setting aimed at working with technology (a cellular telephone). Results of structural equation modeling show that the IMMS can be reduced to 12 items. This Reduced Instructional Materials Motivation Survey IMMS (RIMMS) is preferred over the original IMMS. The parsimonious RIMMS measures the four constructs attention, relevance, confidence and satisfaction of the ARCS model well, and reflects its conditional nature.  相似文献   

Examining the nexus of science communication and science education: A content analysis of genetics news articles     

Nicole A. Shea 《科学教学研究杂志》2015,52(3):397-409

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Familial and Institutional Factors: Job Satisfaction for Female Counselor Educators     

Carrie Alexander‐Albritton  Nicole R. Hill 《Counselor Education & Supervision》2015,54(2):109-121

Job satisfaction based on familial and institutional factors was explored for 157 female counselor educators. Results indicate that female associate professors had lower levels of intrinsic rewards domain after controlling for institutional type. Parental responsibility and partnership status were equivocal, with significant interaction effects after controlling for Carnegie Classification.  相似文献   

The role of metacognitive competences in the development of school achievement among gifted adolescents     

Catharina Tibken  Tobias Richter  Nicole von der Linden  Sandra Schmiedeler  Wolfgang Schneider 《Child development》2022,93(1):117-133

Gifted underachievers perform worse in school than would be expected based on their high intelligence. Possible causes for underachievement are low motivational dispositions (need for cognition) and metacognitive competences. This study tested the interplay of these variables longitudinally with gifted and non-gifted students from Germany (N = 341, 137 females) in Grades 6 (M = 12.02 years at t1) and 8 (M = 14.07 years). Declarative and procedural metacognitive competences were assessed in the domain of reading comprehension. Path analyses showed incremental effects of procedural metacognition over and above intelligence on the development of school achievement in gifted students (β = .139). Moreover, declarative metacognition and need for cognition interactively predicted procedural metacognition (β = .169), which mediated their effect on school achievement.  相似文献   

Analysing senior secondary mathematics teaching using the Knowledge Quartet     

Maher  Nicole  Muir  Tracey  Chick  Helen 《Educational Studies in Mathematics》2022,110(2):233-249

Educational Studies in Mathematics - The multi-faceted nature of mathematics knowledge for teaching, including pedagogical content knowledge (PCK), has been studied widely in elementary classrooms,...  相似文献