computerized adaptive testing using mirt

... Mislevy RJ, Steinberg L, Thissen D: Computerized adaptive testing: A primer Hillsdale, NJ: Erlbaum; 1990 Weiss DJ, Mcbride JR: Bias and information of Bayesian adaptive testing Applied Psychological ... Improvement measurement quality and efficiency with adaptive testing Applied Psychological Measurement 1982, 6:473-492 Weiss DJ: Adaptive testing by computer Journal of Consulting and Clinical ... documentation, it is of interest to study whether computerized adaptive testing (CAT), based on item response theory (IRT) [4], could further enrich the advantage of using a tablet PC in evaluating patients'...

Ngày tải lên: 18/06/2014, 18:20

Ngày tải lên: 22/08/2013, 14:06

... for testing all type of applications and scenarios such as Unit testing, Load Testing, Web testing, Ordered testing, and generic testing This chapter provides a high level overview on all the testing ... system testing is automated using testing tools Once all the modules are integrated, several errors may arise Testing done at this stage is called system testing Defects found in this type of testing ... Advanced Web Testing, generates the code for the testing scenario explained in Chapter using the Generate Code option This is very useful for customizing tests using the code Chapter 7, Load Testing, ...

Ngày tải lên: 05/05/2014, 12:33

... has been conducting an independent project to develop computer -adaptive versions of the QLQ-C30 scales [22,23] Computer -adaptive testing (CAT) is an advanced method to assess patientreported outcomes ... comprising 44 items for field testing within phase IV is shown in Table Discussion The main objective of this study was to develop an item bank for computer -adaptive testing of the fatigue concept ... adaptive testing (CAT) for the EORTC QLQ-C30 dimensions - general approach and initial results for physical functioning Eur J Cancer 2010, 46(8):1352-8 23 Petersen MA, et al: Development of computerized...

Ngày tải lên: 20/06/2014, 15:20

... the performance of the proposed content -adaptive FEC protection system Adaptive FEC protection using the proposed side information is compared against that using the original MSRA side information ... ratio using lossless compressor is about 2% while the proposed approach is more than 50% 5.3 Content -adaptive FEC protection experiments For the evaluation of the performance of the contentadaptive ... degradation using different side information As one can see from the figures, the proposed side information (using closed-form R-D model) is as efficient as the original side information (using discrete...

Ngày tải lên: 22/06/2014, 19:20

... has been conducting an independent project to develop computer -adaptive versions of the QLQ-C30 scales [22,23] Computer -adaptive testing (CAT) is an advanced method to assess patientreported outcomes ... comprising 44 items for field testing within phase IV is shown in Table Discussion The main objective of this study was to develop an item bank for computer -adaptive testing of the fatigue concept ... adaptive testing (CAT) for the EORTC QLQ-C30 dimensions - general approach and initial results for physical functioning Eur J Cancer 2010, 46(8):1352-8 23 Petersen MA, et al: Development of computerized...

Ngày tải lên: 12/08/2014, 01:22

... Systems using Recurrent Fuzzy Neural Networks IEEE Trans Fuzzy Systems Vol.8, No.4, pp.349-366, 2000 [5] Wei, S.; Z.Lujin; Z.Jinhai and M Siyi: Adaptive Control based on Neural Network Adaptive ... Adaptive Control, Kwanho You (Ed.), ISBN: 978-953-7619-47-3, InTech., 2009 [6] Zhang,M.;X.Wang;M.Liu: Adaptive PID control Based on RBF Neural Network Identification Proc 17th IEEE Inter Conf on Tools ... Artif Intell., ICTAI'05, pp 681683., 2005 [7] Cong,S and Y.Liang, PID-Like Neural Network Nonlinear Adaptive Control For Uncertain Multivariable Motion Montrol Systems IEEE Trans Industrial Electronics,...

Ngày tải lên: 24/07/2015, 16:57

... for testing all type of applications and scenarios such as Unit testing, Load Testing, Web testing, Ordered testing, and generic testing This chapter provides a high level overview on all the testing ... system testing is automated using testing tools Once all the modules are integrated, several errors may arise Testing done at this stage is called system testing Defects found in this type of testing ... Advanced Web Testing, generates the code for the testing scenario explained in Chapter using the Generate Code option This is very useful for customizing tests using the code Chapter 7, Load Testing, ...

Ngày tải lên: 04/12/2015, 14:05

... Do Firms Want to Borrow More? Testing Credit Constraints Using a Directed Lending Program* Abhijit Banerjee Esther Duflo BREAD Working Paper ... their giving us access to the data we use in this paper Do Firms Want to Borrow More? Testing Credit Constraints Using a Directed Lending Program∗ Abhijit V Banerjee†and Esther Duflo‡ Revised: August ... the rate should fall However, we directly check whether there is evidence of this using three specifications: Using yit = rbit in equation (4) and (5), for rbit equal to the interest rate in logarithm...

Ngày tải lên: 16/02/2014, 03:20

... process MFIs often ERD Technical Note No Testing Savings Product Innovations Using an Experimental Methodology implement innovative new products without adequate testing and evaluation (see Matin 2002 ... This estimate is calculated through Two Stage Least Squares by using 14 ERD Technical Note No Testing Savings Product Innovations Using an Experimental Methodology assignment to treatment group ... ERD Technical Note No Testing Savings Product Innovations Using an Experimental Methodology Nava Ashraf Dean S Karlan Wesley Yin November...

Ngày tải lên: 16/02/2014, 11:20

... overall efficiency The total fuel consumption and pollutant emissions are also reduced when using the adaptive system, as shown in Figure Total Delay [vehicle hours] Input Flow (veh/h) 2000 1500 ... screenshot) Fuel Consumed [L] 386.3 1572.6 3931.7 321.9 6.3 10.7 Adaptive 28.3% 6.5% 6.5% 3.7% 8.9% 3.2% Benefits Figure The adaptive strategy benefits over the existing solution The next intersection ... Control Delay (s) Figure Input flows for the first scenario Simulation Time (min) Pre-timed Adaptive - Ideal Adaptive - Real Figure Average control delay for the simulated period during the first...

Ngày tải lên: 16/03/2014, 12:20

... 492 Using Gooscan 494 Windows Tools and the NET Framework 499 Athena 500 Using Athena’s Config Files ... nothing more than a single word in a search phrase Using an asterisk at the beginning or end of a word will not provide you any more hits than using the word by itself ■ Google reserves the right ... could start narrowing the search by using NOT to remove certain terms from your search.To remove some of the more unsavory characters from your search, consider using queries such as hacker –golf...

Ngày tải lên: 19/03/2014, 13:36

... to Face Vs Computerized Conferences: A Controlled Experiment Hiltz, Starr Roxanne, Kenneth Johnson, and Ann Marie Rabke 1980 Communications Process and Outcome in Face to Face Vs Computerized ... included as an Appendix Note that the analyses were first performed separately for the two problems, using c ~ u n i c a t i o n mode as ~he independent variable For each problem, we tested the significance ... others There is significantly more agreement overtly expressed in face to face conferences than in computerized conferences We suspect that this is related to the pressure to conform created by non-verbal...

Ngày tải lên: 24/03/2014, 01:21

... intersections are adaptive This is because the cycle time for the fixed intersections closely matches that chosen by the adaptive intersections Sharing a common cycle time has enabled the adaptive intersections ... the improvement in waiting time is minimal when only intersections are adaptive Furthermore, when only intersections are adaptive, the minor improvement in waiting time was obtained at the expense ... of fuzzy decision rules for adaptive traffic control A highly distributed architecture was considered, where the timing parameters at each intersection are adjusted using only local information...

Ngày tải lên: 04/06/2014, 18:15

... Adaptive example-based super-resolution using Kernel PCA with a novel classification approach Takahiro Ogawa∗1 and Miki ... ogawa@lmd.ist.hokudai.ac.jp E-mail address: MH: miki@ist.hokudai.ac.jp Abstract An adaptive example-based super-resolution (SR) using kernel principal component analysis (PCA) with a novel classification ... has also been reported by Datsenko and Elad [29, 30] In this paper, we present an adaptive example-based SR method using KPCA with a novel texture classification approach The proposed method first...

Ngày tải lên: 18/06/2014, 22:20

... to QFT-TB using tuberculin as the TB antigen As this occurred in the middle of our data collection, we elected to continue to use the initial QFT kits Tuberculin Skin Testing (TBST) using Purified ... leads to a higher incidence of false positive testing [5] TBST has been used as part of annual medical evaluation of Phoenix Firefighters since 1990 This testing was started due to an increased risk ... final report was exposure to Mycobacterium avium (MA) causing a false positive response Use of the QFT may help resolve problems inherent with using TBST as a screening tool The Centers for Disease...

Ngày tải lên: 20/06/2014, 00:20

... Adaptive example-based super-resolution using Kernel PCA with a novel classification approach Takahiro Ogawa∗1 and Miki ... ogawa@lmd.ist.hokudai.ac.jp E-mail address: MH: miki@ist.hokudai.ac.jp Abstract An adaptive example-based super-resolution (SR) using kernel principal component analysis (PCA) with a novel classification ... has also been reported by Datsenko and Elad [29, 30] In this paper, we present an adaptive example-based SR method using KPCA with a novel texture classification approach The proposed method first...

Ngày tải lên: 20/06/2014, 04:20

... [4,6] For using TELIC, each LSP request specifies the required amount of bandwidth as well as the FEC Representing the domain as a graph, TELIC finds cost of each link in the graph using a cost ... doi:10.1186/1687-1499-2011-49 Cite this article as: Zafar et al.: Automated traffic engineering using adaptive inter-class mixing EURASIP Journal on Wireless Communications and Networking 2011 2011:49 ... of EF traffic The simulation which is implemented in C++ works on static traffic sets generated using randomized multiple CT requests with uniform distribution The performance of RDM TELIC is...

Ngày tải lên: 21/06/2014, 01:20

... STAP, where the number of adaptive channels is reduced to a manageable size, and then apply STAP on the reduced system using all available coherent pulses, giving us sufficient adaptive degrees of freedom ... proposed software solution using a single observation channel and derives the signal processing gain Section examines the theoretical performances and compares the algorithms using Monte Carlo simulation ... paper uses the properties of the data stream to adaptively null the ground clutter with N p degrees of freedom The procedure we have developed is tested using both simulated data and data from the...

Ngày tải lên: 21/06/2014, 08:20

... the radius selection algorithm using bootstrap method avoiding the convolution with polynomial complexity by instead using the one with constant complexity 2.6 Adaptive Window Selection The curvature ... 0 −0.05 −0.1 −0.15 −0.2 −5 −5 x −0.25 −5 x Adaptive radius r=4 r = 0.1 Adaptive radius r=4 r = 0.1 (a) (b) Estimation error 0.2 −0.2 −0.4 −0.6 −5 x Adaptive radius r=4 r = 0.1 (c) Figure 5: The ... adjusting the radius adaptively, we observe that the precision of curvature estimation is significantly improved Figure depicts the estimation errors of using fixed radii and adaptive radius It is...

Ngày tải lên: 21/06/2014, 08:20