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Assessing the validity of mobile device data for estimating visitor demographics and visitation patterns in Yellowstone National Park
Mobile device data Visitor demographics Temporal visitation patterns National park
2023/11/20
Monitoring visitor demographics and temporal visitation patterns can help national park managers understand their visitors and allocate resources more effectively. Traditional approaches, such as visi...
On the Necessity of a Prescribed Block Validity Consensus: Analyzing Bitcoin Unlimited Mining Protocol
Markov Decision Process Bitcoin game theory
2017/7/19
Bitcoin has not only attracted many users but also been considered as a technical breakthrough by academia. However, the expanding potential of Bitcoin is largely untapped due to its limited throughpu...
Construct Validity of the Neighborhood Environment Walkability Scale for Africa
PHYSICAL ACTIVITY BUILT ENVIRONMENT WALKING MEASURE TRANSPORTATION RECREATION
2018/4/24
Purpose The development of valid measures of built environments relevant for physical activity is an important step toward controlling the global epidemic of physical inactivity–related noncommunicabl...
Validity of the body mass index as an indicator of the risk and presence of overweight in adolescents
Risk factors body composition overweight
2016/5/31
The validity of the body mass index (BMI) as
an indicator of the risk of becoming overweight and of the
presence of overweight was evaluated in 6 groups of adolescents
comprising several ethnic gro...
The Pitt model of trans-disciplinary validity:challenges and prospects
Translational validity psychopathology psychology neuroscience
2016/5/31
Evidence acquired inside the mono-disciplinary matrices of neurobiology, clinical psychology and psychopathology is deeply insufficient in terms of their validity, reliability and specificity, and can...
Why internal validity is not prior to external validity
internal validity external validity Causation Campbell Cronbach
2016/5/31
We show that the common claim that internal validity should be understood as prior to external validity has, at least, three epistemologically problematic aspects: experimental artefacts, the implicat...
Reproducibility and validity of dietary patterns assessed with a food-frequency questionnaire
Diet dietary pattern factor analysis
2016/5/30
Recently, the analysis of dietary patterns has emerged
as a possible approach to examining diet-disease relations.
Validity of PALMS GPS Scoring of Active and Passive Travel Compared with SenseCam
BICYCLING GEOGRAPHY PHYSICAL ACTIVITY TRANSPORTATION VEHICLE WALKING
2017/4/14
Purpose: The objective of this study is to assess validity of the personal activity location measurement system (PALMS) for deriving time spent walking/running, bicycling, and in vehicle, using SenseC...
Efficiently Enforcing Input Validity in Secure Two-party Computation
cryptographic protocols secure computation garbled circuit
2016/2/24
Secure two-party computation based on cut-and-choose has made great strides in recent
years, with a significant reduction in the total number of garbled circuits required. Nevertheless,
the overhead...
Validity and Reproducibility of an Incremental Sit-To-Stand Exercise Test for Evaluating Anaerobic Threshold in Young, Healthy Individuals
Sit-to-stand cycle ergometer anaerobic threshold correlations reproducibility validity
2016/2/23
Sit-to-stand exercise (STS) is a common activity of daily living. The objectives of the present study were: 1) to assess the validity of aerobic fitness measurements based on anaerobic thresholds (ATs...
The alpha and the omega of scale reliability and validity
alpha omega scale reliability validity
2016/1/28
Health Psychologists using questionnaires rely heavily on Cronbach’s alpha as indicator of scale reliability and internal consistency. Cronbach’s alpha is often viewed as some kind of quality label: h...
Validity and Reliability Issues in the Large-Scale Assessment of English Language Proficiency
Validity Reliability Issues Large-Scale Assessment English Language Proficiency
2016/1/20
Validity and Reliability Issues in the Large-Scale Assessment of English Language Proficiency.
Criterion-Related Validity of the 20-M Shuttle Run Test for Estimating Cardiorespiratory Fitness:A Meta-Analysis
Maximum oxygen uptake peak oxygen uptake PACER Multistage fitness test Leger test
2016/1/11
The main purpose of the present meta-analysis was to examine the criterion-related validity of the 20-m shuttle run test for estimating cardiorespiratory fitness. Relevant studies were searched from t...
Inter-Rater Reliability and Validity of the Australian Football League’s Kicking and Handball Tests
Talent identification skills test coaches perceptions
2016/1/9
Talent identification tests used at the Australian Football League’s National Draft Combine assess the capacities of athletes to compete at a professional level. Tests created for the National Draft C...
EM Attack Is Non-Invasive? - Design Methodology and Validity Verification of EM Attack Sensor
AES implementation smart cards
2016/1/8
This paper presents a standard-cell-based semi-automatic
design methodology of a new conceptual countermeasure against electromagnetic
(EM) analysis and fault-injection attacks. The countermeasure
...