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相关概念视频

Associative Learning01:27

Associative Learning

358
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
358
Blinding01:11

Blinding

2.4K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
2.4K
Crossover Experiments01:16

Crossover Experiments

2.8K
Crossover experiments, also called the repeated-measurements design, is a study design in which all experimental units are exposed to all treatments in different periods. Crossover experiments are generally used in psychology, the pharmaceutical industry, agriculture, and medicine.
Crossover designs are performed even with smaller sample sizes since the samples can act as their controls. These are better than simple randomized trials since patients are exposed to all the treatments.
2.8K
Randomized Experiments01:13

Randomized Experiments

6.9K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
6.9K
Tooth Anatomy01:21

Tooth Anatomy

468
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
468
Teeth01:15

Teeth

413
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
413

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相关实验视频

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Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans
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Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

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牙刷学习方法:差异化还是传统? - 一个随机控制的临床试验

Loay Leghrouz1, Manasi R Khole1, Christian H Splieth1

  • 1Department of Preventive and Pediatric Dentistry, University of Greifswald, Greifswald, Germany.

Caries research
|March 6, 2024
PubMed
概括

与传统方法相比,差异学习显著改善了儿童的牙刷和口腔卫生. 这种方法对患的高风险儿童和初始口腔健康状况不佳的儿童有效.

科学领域:

  • 儿科牙科 儿科牙科
  • 行为科学 行为科学
  • 口腔健康教育教育口腔健康教育

背景情况:

  • 孩子们经常在正确的牙刷技术上扎.
  • 需要有效的方法来改善儿科口腔卫生实践.

研究的目的:

  • 调查差异学习对儿童刷牙有效性的影响.
  • 将差异学习与传统的基于重复的方法进行比较.

主要方法:

  • 一项前性随机临床试验,涉及58名年龄在3-8岁的儿童.
  • 儿童被分配到测试组 (差异学习) 或控制组 (传统指导).
  • 口腔卫生,斑块和牙指数在基线和12周的随访期间被评估.

主要成果:

  • 两组都表现出改善,但测试组表现出优越的口腔健康结果.
  • 在4周后,在测试组中观察到牙指数的统计学显著改善.
  • 到了12周,测试组的斑块和牙指数明显好于对照组.

结论:

  • 差异性学习可以提高儿童的口腔卫生,特别是那些牙风险较高,初始卫生状况不佳的儿童.
  • 这种方法在中期内被证明优于传统的重复,以改善儿童的牙刷.
关键词:
孩子 孩子 孩子 孩子牙科预防 牙科预防教育方法的教育方法.口腔卫生 口腔卫生预防 预防 预防

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  • 不同学习为儿童口腔健康提供了一个有前途的教育策略.