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

Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

3.4K
A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
3.4K
Testing a Claim about Mean: Known Population SD01:11

Testing a Claim about Mean: Known Population SD

2.8K
A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...
2.8K
Testing a Claim about Mean: Unknown Population SD01:21

Testing a Claim about Mean: Unknown Population SD

3.5K
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...
3.5K
Naturalistic Observations02:30

Naturalistic Observations

15.5K
If you want to understand how behavior occurs, one of the best ways to gain information is to simply observe the behavior in its natural context. However, people might change their behavior in unexpected ways if they know they are being observed. How do researchers obtain accurate information when people tend to hide their natural behavior? As an example, imagine that your professor asks everyone in your class to raise their hand if they always wash their hands after using the restroom. Chances...
15.5K
Observational Studies01:11

Observational Studies

8.7K
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One...
8.7K
Testes: Gross Anatomy01:19

Testes: Gross Anatomy

2.3K
The testes, also known as testicles, are the male gonads. They are housed within the scrotum, a sac-like structure located beneath the penis. The scrotum's primary role is to regulate the temperature of the testes, which is crucial for sperm production.
Each testis is surrounded by the tunica albuginea, a dense connective tissue layer that provides structural support and protection. This layer is covered by an outer serous membrane called the tunica vaginalis, which helps reduce friction...
2.3K

You might also read

Related Articles

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

Sort by
Same author

Epidemiology of pediatric abuse- and neglect-associated emergency department visits in the United States: an analysis of the 2019-2022 National Hospital Ambulatory Medical Care Survey.

Journal of osteopathic medicine·2026
Same author

Examining the current scope of interventional clinical trials for knee injuries: Review of a clinical trials registry.

Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA·2025
Same author

The impact of adverse childhood experiences on age of diabetes diagnosis and associations with race and ethnicity.

Journal of osteopathic medicine·2025
Same author

Research gaps in the correlation of anxiety and depression prevalence in former college athletes: a systematic review.

Journal of osteopathic medicine·2025
Same author

COVID-19-Related Lockdowns and Teen Dating Violence Prevalence Across Gender, Race, and Sex of Sexual Partners.

Journal of interpersonal violence·2025
Same author

Social determinants of health and family planning: impact of food and financial insecurity on contraceptive use and pregnancy intention.

Primary health care research & development·2025

Related Experiment Video

Updated: Jul 18, 2025

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

15.2K

Evaluating the Public's Interest in Testicle Tanning: Observational Study.

Ryan Ottwell1, Katherine Cox2, Taylor Dobson3

  • 1Department of Dermatology, St Joseph Mercy Hospital - Livingston, Howell, MI, United States.

JMIR Dermatology
|August 26, 2023
PubMed
Summary

Public interest in testicle tanning surged dramatically after a TV appearance, with search interest increasing by 7252% and tweets by 35,053%. This highlights a dangerous trend lacking scientific evidence.

Keywords:
UV radiationcancergeneral dermatologygoogle trendsharmfulhealth trendsinternetpublic trendsskin cancertanningtesticle tanning

More Related Videos

Precision Implementation of Minimal Erythema Dose MED Testing to Assess Individual Variation in Human Inflammatory Response
06:31

Precision Implementation of Minimal Erythema Dose MED Testing to Assess Individual Variation in Human Inflammatory Response

Published on: October 3, 2019

8.7K
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
07:40

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

3.4K

Related Experiment Videos

Last Updated: Jul 18, 2025

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making
11:51

Combining Behavioral Endocrinology and Experimental Economics: Testosterone and Social Decision Making

Published on: March 2, 2011

15.2K
Precision Implementation of Minimal Erythema Dose MED Testing to Assess Individual Variation in Human Inflammatory Response
06:31

Precision Implementation of Minimal Erythema Dose MED Testing to Assess Individual Variation in Human Inflammatory Response

Published on: October 3, 2019

8.7K
Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
07:40

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

3.4K

Area of Science:

  • Public health
  • Dermatology
  • Health communication

Background:

  • A viral health trend, testicle tanning, gained media attention, promoted for increasing testosterone levels.
  • Public interest in tanning wellness trends is high, potentially leading to increased UV exposure and complications.
  • Misinformation surrounding testicle tanning is prevalent, amplified by social media and influencers.

Purpose of the Study:

  • To evaluate the extent of public interest in the practice of testicle tanning.
  • To quantify the impact of media coverage on public search behavior regarding testicle tanning.

Main Methods:

  • Google Trends data was analyzed for relative search interest.
  • Twitter data (tweet volume) was collected via Sprout Social.
  • Autoregressive integrated moving average (ARIMA) models forecasted search and tweet volumes.

Main Results:

  • Relative search interest for "testicle tanning" peaked at 100 on April 19, 2022, a 7252% increase over forecasted levels.
  • Tweet volume spiked on April 18, 2022, reaching 42,736, a 35,053% increase over forecasted levels.
  • Both metrics surged immediately following a television program discussing the trend.

Conclusions:

  • Media promotion of testicle tanning significantly increased public interest in an unsubstantiated and potentially harmful trend.
  • Healthcare professionals must be aware of viral health trends to effectively counsel patients and combat misinformation.
  • The study underscores the need for evidence-based health information dissemination to prevent public engagement with dangerous wellness fads.