regression to the mean
relative interaction index
A standardized measure of treatment effects calculated as (Vw - Vc)/(Vw + Vc) that is bounded and symmetrical around zero
remote UREs
remote sensing observations
remote sensing validation
Process of comparing satellite-derived measurements against ground-based observations to assess accuracy
remote undergraduate research experiences
Undergraduate research programs conducted entirely or primarily at a distance using online technologies and virtual interactions
remote work structure
representation error
The normalized difference between a site observation and the network mean, quantifying how well a single measurement site represents larger area aerosol properties
representative elementary area
research capacity preservation
Maintaining institutional and individual ability to conduct scientific research through crisis periods
research-related social influence
response surface design
Experimental design varying relative densities of organisms to determine interaction dynamics
response to reviews
The author's written response addressing reviewer and editor comments on a manuscript
resurrection studies
Studies that transplant lineages from across the range, using seeds collected before and after environmental change, to detect rapid evolution
rhabdom length
righting reflex
Behavioral response used as endpoint to determine anesthetic induction and recovery
rime mass
roughness ratio
Ratio of roughness (sum of squared Laplacian values) between downscaled and original resolution datasets
safety culture
An organizational approach that sets specific standards for responsibilities of both workers and supervisors and provides clarity on acceptable and unacceptable workplace behavior
sampling completeness
The proportion of true species or interaction richness that is detected in a sample, estimated using asymptotic richness estimators
sampling effort
sapsucker damage
Horizontal rows of rectangular scars left by sapsuckers drilling sap wells in tree trunks
satellite availability
The temporal patterns of GPS satellite accessibility affecting positioning accuracy
scale-free networks
Networks where the degree distribution follows a power law, giving similar properties such as robustness to random removal of individuals
science communication
The practice of communicating scientific findings in creative and novel ways to audiences broader than technical journal readership
scientific identity
The extent to which students see themselves as scientists and as members of the scientific community.
scientific inquiry
The process of developing research questions and hypotheses through systematic observation and questioning
scientific productivity
Quantitative measures of scientific output including presentations, publications, and academic awards
scientific self-efficacy
The extent to which students are confident in their ability to carry out various science research practices, such as developing a hypothesis to test.
seed augmentation experiment
Experimental approach adding seeds to plots at different densities to simulate varying levels of reproductive success and examine population consequences
selectivity index
Quantitative measure comparing the ratio of cached to available vegetation quality, calculated as I = (δC/δA) - 1
self-efficacy
sensor drift
sensor network self-organization
Autonomous configuration and calibration of sensor networks without manual intervention
sensor placement and orientation
septal count
septal fluting
sequential imputation
Strategy for imputing missing data across multiple wells by following sequence based on missing data fraction percentages
signal recognition
Automated methods for detecting and classifying acoustic signals
signal-to-noise ratio
simulation bias
skeletochronology
The most commonly used method for aging amphibians that utilizes stained cross-sections of toe bone to allow visualization of lines of arrested growth (LAG)
small unoccupied aircraft systems
Unmanned aerial vehicles used for remote sensing applications at spatial scales between ground-based and satellite observations
small-world networks
Networks with a combination of highly clustered subgroups and short average path lengths, efficient for communication
social utility
solid-phase microextraction
A sampling technique using polymer-coated fibers to extract and concentrate volatile organic compounds from headspace for analysis
song repertoire size
The number of distinct syllables, phrases, or song types produced by an individual or population
space-for-time substitution
Method assuming that spatial and temporal variation are equivalent by comparing soil carbon across an elevation gradient to make assumptions about change in rate of carbon sequestration
spallation surface production rate
spatial fire-scar reconstruction
Method using tree-ring fire scars to reconstruct historical fire patterns across landscapes
