The NASA Advisory Council created the Solar System Exploration Committee (SSEC) in 1980 at the behest of Robert Frosch, NASA's fifth Administrator. The SSEC was charged with developing an affordable, ...

Greg DePersio has 13+ years of professional experience in sales and SEO and 3+ years as a writer and editor. Simple random sampling is a method used to cull a smaller sample size from a larger ...

Introduction Adolescence is a key period of development for mental health; however, little is known about how (cumulative) daily life experiences impact long-term mental health development in this ...

Chinese scientists studying a 2-gram lunar soil sample from the Chang'e 6 mission have identified rare CI chondrite impact residues, providing new insights into mass transfer in the inner solar system ...

In a recent study published in the Journal of Infection, researchers used laboratory diagnostic testing data of monkeypox cases. They performed mathematical modeling to predict how long monkeypox ...

A new Environmental Research journal research paper discusses the association of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) with morbilliform skin rash. These findings also ...

By Courtney Kennedy, Andrew Mercer, Scott Keeter, Nick Hatley, Kyley McGeeney and Alejandra Gimenez As the costs and nonresponse rates of traditional, probability-based surveys seem to grow each year, ...

Quantitative research relies on analyzing statistical data, while qualitative research focuses on answering important business questions, including discovering why customers select products or ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Representative sampling and random sampling ...