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

Reliability and Validity

Reliability and Validity

Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.

Assessment of blood pressure in brachial artery(two-step method)

Assessment of blood pressure in brachial artery(two-step method)

Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...

You might also read

Related Articles

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

Sort by

Same author

Integrative and interpretable machine learning framework for early non-invasive detection of clinically significant liver fibrosis.

Frontiers in medicine·2026

Same author

Self-management support in oncology: A concept analysis.

European journal of oncology nursing : the official journal of European Oncology Nursing Society·2026

Same author

Enhanced Recovery and Postoperative Analgesia After Laparoscopic Myomectomy: A Randomized Controlled Trial Comparing Total Intravenous Anesthesia, Transversus Abdominis Plane Block with Rectus Sheath Block, and Quadratus Lumborum Block.

Drug design, development and therapy·2026

Same author

[Growth and metabolic characteristics and kinetic modeling of MDCK adherent cells cultured in basket bioreactors].

Sheng wu gong cheng xue bao = Chinese journal of biotechnology·2026

Same author

Spatial-cellular resolution analysis of ferroptosis-associated immune microenvironment heterogeneity in osteoarthritic cartilage.

Immunobiology·2026

Same author

Biased signaling of β2-adrenergic receptor in physiological and pathological states.

Cellular & molecular biology letters·2026

Search research articles

Related Experiment Video

Updated: Jul 10, 2025

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Published on: June 12, 2019

Is two-point method a valid and reliable method to predict 1RM? A systematic review.

Zongwei Chen¹, Zheng Gong¹, Liwen Pan¹

¹School of Physical Education and Sports Science, South China Normal University, Guangzhou, Guangdong Province, China.

|November 20, 2023

Summary

This summary is machine-generated.

The two-point method slightly overestimates one-repetition maximum (1RM) in resistance training. While reliable with proper load selection, further research is needed to verify its accuracy and explore influencing factors.

More Related Videos

Author Spotlight: Assessing the Reliability of Doppler Ultrasound in Measuring Leg Blood Flow

Author Spotlight: Assessing the Reliability of Doppler Ultrasound in Measuring Leg Blood Flow

Published on: December 15, 2023

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Related Experiment Videos

Last Updated: Jul 10, 2025

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Isokinetic Robotic Device to Improve Test-Retest and Inter-Rater Reliability for Stretch Reflex Measurements in Stroke Patients with Spasticity

Published on: June 12, 2019

Author Spotlight: Assessing the Reliability of Doppler Ultrasound in Measuring Leg Blood Flow

Author Spotlight: Assessing the Reliability of Doppler Ultrasound in Measuring Leg Blood Flow

Published on: December 15, 2023

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Area of Science:

Exercise Physiology
Sports Science
Biomechanics

Background:

The one-repetition maximum (1RM) is a key metric in resistance training.
Predictive methods for 1RM aim to reduce testing time and fatigue.
The two-point method is a velocity-based approach to estimate 1RM.

Conclusions:

The two-point method offers a potentially reliable way to predict 1RM, but with a tendency to overestimate.
Factors including exercise choice, velocity measurement tools, test load selection, velocity variable, 1RM determination, velocity feedback, and fatigue levels can influence prediction accuracy.
Further research is recommended to validate the method and refine its application in resistance training.