Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Student t Distribution

Student t Distribution

The population standard deviation is rarely known in many day-to-day examples of statistics. When the sample sizes are large, it is easy to estimate the population standard deviation using a confidence interval, which provides results close enough to the original value. However, statisticians ran into problems when the sample size was small. A small sample size caused inaccuracies in the confidence interval.
The Student t distribution was developed by William S. Goset (1876–1937) of the...

Assessing Body Temperature - Tympanic membrane

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...

Microsoft Excel: Student's t-Test

Microsoft Excel: Student's t-Test

Student's t-test in Microsoft Excel is a statistical method used to compare the means of two groups to determine if they are significantly different from each other. It's commonly used to evaluate hypotheses, such as testing whether a treatment has an effect compared to a control group. Excel provides built-in functions to perform t-tests, making it accessible for users needing to conduct basic statistical analysis.
To conduct a t-test in Excel, use the T.TEST function or the "Data Analysis...

Comparing Experimental Results: Student's t-Test

Comparing Experimental Results: Student's t-Test

The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...

Tidal Forces

Tidal Forces

The origin of Earth's ocean tides has been a subject of continuous investigation for over 2000 years. However, the work of Newton is considered to be the beginning of the proper understanding of the phenomenon. Ocean tides are the result of gravitational tidal forces. These same tidal forces are present in any astronomical body; they are responsible for the internal heat that creates the volcanic activity on Io, one of Jupiter's moons, and the breakup of stars that get too close to black holes.

Tandem Mass Spectrometry

Tandem Mass Spectrometry

Tandem mass spectrometry is a technique that uses multiple mass analyzers in series to obtain a higher selectivity and reduce chemical noise during analyte detection. Instruments with multiple analyzers separated by an interaction cell enable secondary fragmentation and selected study of the fragment ions.Secondary fragmentations occur in the interaction cell and can be induced by various factors. Fragmentation induced by collision with inert gases, such as N2, Ar, He, etc., is called...

You might also read

Related Articles

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

Sort by

Same author

Enzymatic antioxidants in erythrocytes following heavy metal exposure: possible role in early diagnosis of poisoning.

Bulletin of environmental contamination and toxicology·1997

Same author

The effects of midazolam and flumazenil on psychomotor function.

Journal of clinical anesthesia·1997

Same author

Adverse drug reactions from birth to early childhood.

Pediatric clinics of North America·1997

Same author

Value of radiography in diagnosing complications of cardioverter defibrillators implanted without thoracotomy in 437 patients.

AJR. American journal of roentgenology·1997

Same author

Secondary distal renal tubular acidosis in association with urological abnormalities.

Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association·1997

Same author

Role of preoperative donor-specific transfusion and cyclosporine in haplo-identical living related renal transplant recipients.

Nephron·1997

Same journal

Single-stapled versus non-single-stapled colorectal anastomosis in minimally invasive anterior resections: a systematic review and meta-analysis.

Techniques in coloproctology·2026

Same journal

When nothing else matters: proctectomy for complex perianal Crohn's disease-indications, timing, techniques, and outcomes.

Techniques in coloproctology·2026

Same journal

Intermuscular dissection by transanal endoscopic operation for a rectal lesion.

Techniques in coloproctology·2026

Same journal

Predicting anatomical difficulty in robot-assisted rectal resection using a novel anatomic landmark-based grading system: a prospective observational study.

Techniques in coloproctology·2026

Same journal

Effect of home biofeedback treatment in patients with fecal incontinence: a pilot study.

Techniques in coloproctology·2026

Same journal

Surgery for anismus.

Techniques in coloproctology·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 24, 2026

A Tactile Automated Passive-Finger Stimulator (TAPS)

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Anyone for TAMIS?

E S Watts¹, O Peacock, A Gupta

¹Division of Colorectal Surgery, Royal Derby Hospital, Uttoxeter Road, Derby, DE22 3NE, UK.

Techniques in Coloproctology

|February 22, 2012

Summary

No abstract available in PubMed .

More Related Videos

Measuring Active and Passive Tameness Separately in Mice

Measuring Active and Passive Tameness Separately in Mice

Published on: August 10, 2018

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Related Experiment Videos

Last Updated: May 24, 2026

A Tactile Automated Passive-Finger Stimulator (TAPS)

A Tactile Automated Passive-Finger Stimulator (TAPS)

Published on: June 3, 2009

Measuring Active and Passive Tameness Separately in Mice

Measuring Active and Passive Tameness Separately in Mice

Published on: August 10, 2018

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017