Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Review and Preview01:10

Review and Preview

8.3K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
8.3K
Review and Preview01:13

Review and Preview

10.9K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
10.9K
Random and Systematic Errors01:20

Random and Systematic Errors

14.7K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
14.7K
Systematic Sampling Method01:17

Systematic Sampling Method

12.8K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
12.8K
Propagation of Uncertainty from Systematic Error01:10

Propagation of Uncertainty from Systematic Error

1.4K
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
1.4K
Systematic Error: Methodological and Sampling Errors01:15

Systematic Error: Methodological and Sampling Errors

10.0K
In the case of systematic errors, the sources can be identified, and the errors can be subsequently minimized by addressing these sources. According to the source, systematic errors can be divided into sampling, instrumental, methodological, and personal errors.
Sampling errors originate from improper sampling methods or the wrong sample population. These errors can be minimized by refining the sampling strategy. Defective instruments or faulty calibrations are the sources of instrumental...
10.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quantum Key Distribution over 658 km Fiber with Distributed Vibration Sensing.

Physical review letters·2022
Same author

[Acupoint selection rules of neurogenic dysphagia treated with acupuncture and moxibustion in ancient times].

Zhongguo zhen jiu = Chinese acupuncture & moxibustion·2020
Same author

Vibrationally resolved photoemissions of N<sub>2</sub> (C<sup>3</sup>Π<sub>u</sub> → B<sup>3</sup>Π<sub>g</sub>) and CO (b<sup>3</sup>Σ<sup>+</sup> → a<sup>3</sup>Π) by low-energy electron impacts.

The Journal of chemical physics·2020
Same author

8-Prenylgenistein, a prenylated genistein derivative, exerted tissue selective osteoprotective effects in ovariectomized mice.

Oncotarget·2018
Same author

Effect of the water fraction isolated from Fructus Ligustri Lucidi extract on bone metabolism via antagonizing a calcium-sensing receptor in experimental type 1 diabetic rats.

Food & function·2017
Same author

Deletion of Opg Leads to Increased Neovascularization and Expression of Inflammatory Cytokines in the Lumbar Intervertebral Disc of Mice.

Spine·2016

Related Experiment Video

Updated: Jan 26, 2026

Acupuncture in a Rat Model of Asthma
07:14

Acupuncture in a Rat Model of Asthma

Published on: August 25, 2020

6.5K

[Acupuncture for dysarthria: systematic review].

Meng-Yang Chen1, Jie Tan1, Hong Zhang1

  • 1College of Acupuncture-Moxibustion and Tuina, Hunan University of CM, Changsha 410208, China.

Zhongguo Zhen Jiu = Chinese Acupuncture & Moxibustion
|April 4, 2019
PubMed
Summary

Acupuncture significantly improves clinical efficacy for dysarthria when combined with speech training. This meta-analysis confirms acupuncture

Keywords:
Meta analysisacupunctureclinical randomized controlled trialdysarthriafrequency analysissymptom scoresystematic review

More Related Videos

Visualizing Motion Patterns in Acupuncture Manipulation
08:18

Visualizing Motion Patterns in Acupuncture Manipulation

Published on: July 16, 2016

9.2K
Author Spotlight: Efficient Rat Clothing for Improved Rat Fixation During Electroacupuncture
05:42

Author Spotlight: Efficient Rat Clothing for Improved Rat Fixation During Electroacupuncture

Published on: August 18, 2023

2.0K

Related Experiment Videos

Last Updated: Jan 26, 2026

Acupuncture in a Rat Model of Asthma
07:14

Acupuncture in a Rat Model of Asthma

Published on: August 25, 2020

6.5K
Visualizing Motion Patterns in Acupuncture Manipulation
08:18

Visualizing Motion Patterns in Acupuncture Manipulation

Published on: July 16, 2016

9.2K
Author Spotlight: Efficient Rat Clothing for Improved Rat Fixation During Electroacupuncture
05:42

Author Spotlight: Efficient Rat Clothing for Improved Rat Fixation During Electroacupuncture

Published on: August 18, 2023

2.0K

Area of Science:

  • Neurology
  • Integrative Medicine
  • Speech-Language Pathology

Background:

  • Dysarthria, a motor speech disorder, significantly impacts communication and quality of life.
  • Current treatments for dysarthria have limitations, necessitating exploration of alternative therapies.

Purpose of the Study:

  • To systematically evaluate the clinical efficacy of acupuncture for treating dysarthria.
  • To identify common acupoint selection patterns for dysarthria treatment.

Main Methods:

  • A meta-analysis of randomized controlled trials (RCTs) published before January 2018 was conducted.
  • Data from 21 RCTs involving 1651 patients were analyzed using RevMan 5.3 software.
  • Acupoint selection rules were determined by calculating acupoint frequencies using Excel software.

Main Results:

  • Acupuncture combined with speech training demonstrated significantly superior clinical efficacy compared to control groups (OR = 6.36, P < 0.01).
  • Acupuncture treatment led to significant improvements in Frenchay Scale symptom scores (WMD = 3.20, P < 0.01).
  • Frequently selected acupoints included Fengchi (GB 20), Yuye (EX-HN 13), Jinjin (EX-HN 12), Lianquan (CV 23), Baihui (GV 20), and tongue-related points.

Conclusions:

  • Acupuncture is a safe and effective adjunctive therapy for dysarthria, particularly when combined with speech training.
  • Commonly used acupoints are located locally around the tongue, throat, and neck, along with specific extra and empirical points.
  • Further high-quality RCTs with larger sample sizes are recommended to strengthen the evidence base.