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41.
Tailoring the Mode of Information Presentation: Effects on Younger and Older Adults' Attention and Recall of Online Information
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Minh Hao Nguyen Julia C. M. van Weert Nadine Bol Eugène F. Loos Kristien M. A. J. Tytgat Anthony W. H. van de Ven Ellen M. A. Smets 《人类交流研究》2017,43(1):102-126
Previous studies have mainly focused on tailoring message content to match individual characteristics and preferences. This study investigates the effect of a website tailored to individual preferences for the mode of information presentation, compared to 4 nontailored websites on younger and older adults' attention and recall of information, employing a 5 (condition: tailored vs. text, text with illustrations, audiovisual, combination) × 2 (age: younger [25–45] vs. older [≥65] adults) design (N = 559). The mode‐tailored condition (relative to nontailored conditions) improved attention to the website and, consequently, recall in older adults, but not in younger adults. Younger adults recalled more from nontailored information such as text only or text with illustrations, relative to tailored information. 相似文献
42.
本研究采用婚姻调适问卷、教养方式问卷及儿童行为量表对全国四大地理区域9个城市的2396名青少年及其父母进行测查。婚姻质量由青少年的父母自评,父母的教养方式由青少年报告,青少年的外化问题由父母分别报告,考察了父母婚姻质量与青少年外化问题之间的关系,以及教养方式在其中的中介作用。采用包含潜变量的结构方程模型和Bootstrap中介效应检验进行分析,研究发现:(1)父母婚姻质量与积极教养呈显著正相关,与严厉教养呈显著负相关。父母的婚姻质量、积极教养及严厉教养与青少年的外化问题之间呈现跨轮的显著相关。(2)父母婚姻质量能直接正向预测青少年外化问题,教养方式在父母婚姻质量和青少年外化问题中起到部分中介作用。 相似文献
43.
44.
Aya Goto Quang Vinh Nguyen Thi Tu Van Nguyen Nghiem Minh Pham Thi Mong Thuy Chung Huu Phuc Trinh Junko Yabe Hitomi Sasaki Seiji Yasumura 《Journal of child and family studies》2010,19(1):118-127
We conducted this cross-sectional study among 392 Japanese and 294 Vietnamese mothers who attended routine child health visits
in a Japanese city and at a tertiary hospital in Vietnam, in order to investigate the prevalence and associated sociodemographic,
parenting, and psychological characteristics of low maternal confidence in child rearing among them. All data were collected
from medical files in Japan, and from medical files and self-administered questionnaires in Vietnam. The proportion of mothers
without secure feeling of confidence in the present study was 22% in Japan and 66% in Vietnam. Significant factors associated
with a lack of confidence were first-time motherhood and unintended pregnancy in the Japanese dataset and younger age in the
Vietnamese dataset. In both groups, a higher proportion of mothers who lacked confidence reported negative parenting outcomes
than did confident mothers. Among the three psychological measurements (mood, self-efficacy and depression), higher self-efficacy
was associated independently with a significantly reduced risk of not having confidence in child rearing. These results suggest
the importance of developing parenting support programs to help Japanese and Vietnamese mothers, particularly those who are
young, first-time mothers or who became pregnant unexpectedly, improve their self-efficacy. 相似文献
45.
Two studies of ethnically diverse US college students from northern California examined whether ingroup bias and gender norm violations influence acquaintance rape attributions (Study 1, N?=?118; Study 2, N?=?140). Participants read vignettes depicting acquaintance rape and completed questionnaires. Victims were part of participants’ ingroup or outgroup. Study 1 manipulated the victim’s sexual history (chaste or promiscuous). Study 2 manipulated the victim’s alcohol use (sober or intoxicated). Ingroup victims were perceived more positively than outgroup victims if the victims were promiscuous or intoxicated. More guilt was attributed to rapists of ingroup victims than outgroup victims if the victims were promiscuous or intoxicated. Findings are examined in relation to ingroup bias and gender norm violations. 相似文献
46.
试题的难度常常用试题的通过率来表示,这种事后检验的方法虽然简单易行,其数量指标严格确定,但是对考生水平相当敏感,也不能在试题设计中起到主导作用.本研究根据认知任务分析的基本原则,设计了对试题难度进行事前评定的框架和严格的实施程序,并以高等数学试题为分析对象进行了检验.根据数学试题的特点,设定了要素数量、要素辨识难度、原理数量、原理辨识难度和认知负荷等指标.结果显示,各试题事前难度值与其通过率之间存在极其显著的相关.评定指标之间、评定者之间也存在极其显著的一致性,说明本研究的事前评定方法具有充分的效度和信度. 相似文献
47.
本文将情绪图片作为启动刺激,分别以阈上和阈下的方式呈现,采用主观情绪自我评定量表和投射问卷检验情绪启动效应.结果发现阈上情绪诱发以消极情绪明显且宜以自我评定方法检验,而阈下情绪启动积极情绪效应优于消极情绪启动且宜用投射检验. 相似文献
48.
失眠症治疗的最新进展 总被引:2,自引:0,他引:2
失眠是睡眠障碍之一,主要表现为睡眠时间减少、入睡困难、入睡后易惊醒、醒后不易再入睡等。本文主要探讨了失眠的非药物治疗,包括睡眠约束,光疗法,认知治疗,松弛疗法和行为治疗。 相似文献
49.
Gelinas JN Tenorio G Lemon N Abel T Nguyen PV 《Learning & memory (Cold Spring Harbor, N.Y.)》2008,15(5):281-289
Activation of β-adrenergic receptors (β-ARs) enhances hippocampal memory consolidation and long-term potentiation (LTP), a likely mechanism for memory storage. One signaling pathway linked to β-AR activation is the cAMP-PKA pathway. PKA is critical for the consolidation of hippocampal long-term memory and for the expression of some forms of long-lasting hippocampal LTP. How does β-AR activation affect the PKA-dependence, and persistence, of LTP elicited by distinct stimulation frequencies? Here, we use in vitro electrophysiology to show that patterns of stimulation determine the temporal phase of LTP affected by β-AR activation. In addition, only specific patterns of stimulation recruit PKA-dependent LTP following β-AR activation. Impairments of PKA-dependent LTP maintenance generated by pharmacologic or genetic deficiency of PKA activity are also abolished by concurrent activation of β-ARs. Taken together, our data show that, depending on patterns of synaptic stimulation, activation of β-ARs can gate the PKA-dependence and persistence of synaptic plasticity. We suggest that this may allow neuromodulatory receptors to fine-tune neural information processing to meet the demands imposed by numerous synaptic activity profiles. This is a form of “metaplasticity” that could control the efficacy of consolidation of hippocampal long-term memories.The hippocampus importantly contributes to memory function in the mammalian brain (Zola-Morgan et al. 1986; Eichenbaum et al. 1990; Otto and Eichenbaum 1992; Phillips and LeDoux 1992; Remondes and Schuman 2004). It has reciprocal connections with numerous cortical areas, including those responsible for high-level integration of spatial and contextual data from the external environment (Lavenex and Amaral 2000). As such, the hippocampus is well positioned to receive and survey a broad range of information and select behaviorally salient data for long-term storage. Activity-dependent enhancement of hippocampal synaptic strength can store information carried in patterns of afferent neural activity (Bliss and Collingridge 1993; Moser et al. 1998; Nathe and Frank 2003; Whitlock et al. 2006). Substantial evidence suggests that long-term potentiation (LTP) of synaptic strength plays important roles in the formation of long-term memory (LTM) (Doyere and Laroche 1992; Bourtchuladze et al. 1994; Abel and Lattal 2001; Genoux et al. 2002). As such, mechanistic studies of LTP have shed valuable light on how the mammalian brain stores new information.The hippocampus receives dense noradrenergic projections from the locus coeruleus, a brain structure that can influence many vital brain functions, including attention, sleep, arousal, mood regulation, learning, and memory (Berridge and Waterhouse 2003). Both α- and β-adrenergic receptor subtypes are present on hippocampal neurons (Morrison and Foote 1986; Berridge and Waterhouse 2003), and noradrenaline (NA) acts on hippocampal β-adrenergic receptors (β-ARs) to facilitate the retention and recall of memory (Izquierdo et al. 1998; Ji et al. 2003; Murchison et al. 2004). In humans, stimulation of the noradrenergic neuromodulatory system enhances memory for emotional stimuli, and inhibition of β-ARs prevents this memory enhancement (Cahill et al. 1994; van Stegeren et al. 1998; O’Carroll et al. 1999).Consistent with the notion that selective enhancement of LTM may occur following β-AR activation, stimulation of β-ARs can also facilitate the persistence of LTP. In areas CA3 and CA1, β-AR activation facilitates the induction of long-lasting LTP when paired with certain patterns of electrical stimulation (Huang and Kandel 1996; Gelinas and Nguyen 2005). However, the mechanisms by which different patterns of stimulation control synaptic responsiveness to β-AR activation are unclear.β-ARs couple to guanine-nucleotide-binding regulatory Gs proteins to stimulate adenylyl cyclase activity and increase intracellular cAMP (Seeds and Gilman 1971; Maguire et al. 1977). A main target of cAMP signaling is activation of cAMP-dependent protein kinase (PKA), a kinase that is required for some forms of long-lasting LTP and for consolidation of hippocampal LTM (Frey et al. 1993; Abel et al. 1997; Nguyen and Woo 2003). Interestingly, the PKA-dependence of hippocampal LTP displays plasticity: Specific temporal patterns of synaptic stimulation, such as repeated and temporally spaced 100-Hz stimulation, elicit LTP that requires PKA for its expression (Woo et al. 2003). Also, spatial “enrichment” can increase the PKA-dependence of LTP in mice, and this is correlated with improved hippocampal memory function (Duffy et al. 2001). However, it is unclear whether activation of β-ARs can critically gate the PKA-dependence of LTP. In this study, we examine the effects of β-AR activation on LTP generated by various patterns of afferent stimulation in area CA1 of the hippocampus, and we determine the role of PKA in these β-AR-modulated forms of LTP. 相似文献
50.
The ethical decision making process behind the treatment of missing data has yet to be examined in the research literature
in any discipline. The purpose of the current paper is to begin to discuss this decision-making process in view of a Foucauldian
framework. The paper suggests how the ethical treatment of missing data should be considered from the adoption of this theoretical
framework. 相似文献