Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 732 for “"Sampling Method"”.
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An exploration of attributional style using the Descriptive Experience Sampling method
… style engaged in Descriptive Experience Sampling, which entails wearing a small device that will beep at random intervals, recording their awareness at the sound of the beep, and being interviewed within twenty-four hours of doing so. The inner experiences revealed by DES did not …
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Efficient Global Optimization of Multidisciplinary System using Variable Fidelity Analysis and Dynamic Sampling Method
… all design stages. It presents four key design methods to improve the performance of Efficient Global Optimization for multidisciplinary problems. First, a fidelity-calibration method is developed and applied to lower-fidelity samples. Function values analyzed by lower fidelity analysis methods …
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Measuring the multiple, deep, and unfolding aspects of the wilderness experience using the experience sampling method
… experiences after the visit, the Experience Sampling Method was the primary data collection procedure. Six aspects of the wilderness experience were identified, inspired by the writings of Henry David Thoreau, John Muir, AIdo Leopold, Sigurd Olson, and other wilderness writers: oneness, …
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The experience sampling method, Apple iPhones, and investigating the relationship between values, subjective well-being and pro-environmental behavior
… and focus groups to generate its data. These methods are often subject to recall error and socially desirable responding (SDR) bias, as well as typically rely on self-reporting. The current study, as its first primary objective, tests the joint use of a new method and instrument in …
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The influence of sampling method on detecting benthic biodiversity patterns at the ecoregion scale on the South African west coast
… is limited by the difficulty and expense of sampling deep seafloor areas comprehensively enough to represent the whole benthic community. This has led to the development of a wide array of seafloor sampling methods. Consequently, the integration and prioritisation of data collected using …
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Aggregative swab sampling method for romaine lettuce show similar quality indicators and microbial profiles compared to composite tissue samples in a pilot study
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Bayesian attributed network sampling
We address the problem of sampling in attributed networks. While uniform sampling is a task independent sampling method, in real-world, this is often difficult to implement as it requires random access to all the nodes of graph. Link tracing sampling methods such as random Walk, expansion sampling …
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An Investigation of the Gas Dispersion Properties of Mechanical Flotation Cells: an In-Situ Approach
… and discussed. A new in-situ optical bubble sampling method was also developed as part of this investigation. The new system allowed an accurate estimation of local bubble sizes and determination of overall gas dispersion patterns within the cell. The new method was compared to the existing …
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Reconstruction methods for level-crossing sampling
Level-crossing sampling refers to a sampling method that generates a sequence of timing samples when a signal crosses a specified set of levels. Conventional sampling techniques more typically rely on producing a sequence of amplitude samples at a specified set of timings. Level-crossing sampling …
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An exploration of the inner experience of depression
… with depression using the Descriptive Experience Sampling method. Participants were screened with the SCL-90-R and then selected for the depression group or the control group. Participants were asked to complete the BDI-II and the VAS as pre-test and posttest measures. Participants used the …
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Methodology for Determining the Variance of the Taylor Factor: Application in Fe-3%Si
… and window size is explored using both a random sampling method and a previously developed statistical relationship. The results from the random sampling method correlated well with the statistical variance relationship when the magnitude of the variance was greater than that of the numerical …
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Optimal and Permissible Sampling Rates for First-Order Sampling of Two-Band Signals
Sampling theory plays an essential role in the advancement of digital signal processing (DSP). All known DSP processors only work with digital samples of an analog signal (continuous-time signal). Therefore, reliable sampling of a signal is crucial for the successive phases of DSP. A well-known …
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Kernel method in Monte Carlo importance sampling
… reduction technique called the Importance Sampling is presented. Since the efficiency of the importance sampling method depends primarily on the choice of the importance sampling density, the use of the kernel method to estimate the optimal importance sampling density is proposed.
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Type-2 Fuzzy Logic: Circumventing the Defuzzification Bottleneck
… to type-2 defuzzification are presented, the sampling method and the Greenfield-Chiclana Collapsing Defuzzifier. The sampling method and its variant, elite sampling, are techniques for the defuzzification of generalised type-2 fuzzy sets. In these methods a relatively small sample of the …
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"Item Sampling in Service Quality Assessment Surveys to Improve Response Rates and Reduce Respondent Burden: The ""Libqual+rtm Lite"" Randomized Control Trial (Rct)"
"The matrix sampling method, the randomized control trial framework, and the statistical analysis methods outlined in the current study are useful heuristic methods for other high stakes library survey implementations whether for a physical as well as a digital library environment. These …
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Light element analysis in amorphous and nanocrystalline silicon using ERDA and related techniques
… wire chemical vapour deposition, and a unique sampling method was developed for the analysis of nanocrystalline silicon powder. The combinations of non destructive, quantitative and sensitive Rutherford backscattering, resonance scattering and elastic recoil detection analysis were used in …
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