Topics: Research methodology, applied biostatics, sampling technique, sample size determination, sampling, graphical presentation

Topics: skewness, kurtosis, sample size

Topics: Concrete technology, Cements, Modern cements history, Portland cement manufacturing, Portland cement wet process manufacturing, Portland cement dry process manufacturing, Cement chemical composition, Cements hydration, Heat of hydration, Calcium silicate hydrates, Calcium hydroxide, calcium aluminate hydrates, hydrated cements structure, Water requirement for hydration, Cement types, ASTM cements classification, Ordinary Portland cement, Rapid hardened cement, Extra rapid hardening cement, Portland slag cement, Quick setting cement, super sulphated cement, low heat cement, Portland pozzolana cement, coloured cement, hydrophobic cement, masonry cement, expansive cement, Cement testing, Aggregates, aggregates testing, Aggregates form igneous rock, aggregates from sedimentary rocks, aggregates from metamorphic rock, aggregate crushing value, aggregates impact value, aggregate abrasion value, Deval attrition test, Dorry Abrasion test, Los Angeles test, modulus of elasticity, bulk density, specific gravity, Sieve analysis, Aggregates testing, Water, water qualities, Sea water for mixing concrete, Admixture, construction chemicals, Plasticizers, water reducers, Workability, Plasticizers action, Superplasticizers classification, Factors affecting workability, Superplasticizers types, Fresh concrete, Fresh concrete water content, Fresh concrete mix proportions, Aggregates sizes in fresh concrete, Aggregates shape, Surface texture, Admixture use in fresh concrete, Workability measurement, Slump test, k-slump test, aggregates grading, compacting factor test, flow test, flow table apparatus, vee bee consistometer test, setting of concrete, Manufacture of concrete process, Concrete compaction, Concrete curing, Concrete strength, Water-cement ratio, Strength gaining with age, Concrete maturity concept, Bond strength, High strength concrete, Elasticity, Creep, Shrinkage, Aggregates elastic properties, Modulus of Elasticity, Dynamic modulus of elasticity, Poison's ratio, Creep rheological representation, Creep measurement, Factors affecting creep, Aggregate influence, Mix proportion influence, Shrinkage, Plastic Shrinkage, Drying Shrinkage, Moisture movement, Autogenous Shrinkage, Carbonation shrinkage, Concrete Durability, Strength to Durability relationship, Concrete volume change, Durability definition, durability significance, Permeability, Cement paste permeability, Concrete permeability, Plastic shrinkage cracks, Settlement cracks, Thermal shrinkage, Hardened concrete testing, Concrete mix design, Special concrete, concrete methods

Topics: population, expansive population pyramids, stationary population pyramids, population pyramid, population size, population density, population abundance, population growth, community, ecosystem, energy flow, decomposition, nutrient cycling, biodiversity, environment, ecological niche

Topics: Geometrical Optics, Visual Optics, refraction, vergence relationship, thin lenses, Spherical Ametropia, Cylindrical Lenses, Correction of Astigmatism, accomodation, prisms, lens thickness, depth of field, Magnifying Lenses, Electronic Magnification, telescopes, Retinal Image Size, reflection, aberrations

Topics: climate, Rainfall variability, rainfall, Humidity, Solar radiation, sunshine, light, cloudiness, wind, Edaphic factors, Soil Formation, plant community, terrestrial pollution, forest resources, wildlife resources, population, population ecology, population growth, logistic growth model, sigmoid form model, population density variation, population size

Topics: Epidemiology, Assessing risk factors, risk, relative risk, analytical procedures, Confounding, interaction, Cohort studies, Case–control studies, Intervention studies, Sample size determination, Modelling quantitative outcome variables, Modelling binary outcome data, modelling, Modelling follow-up data, Meta-analysis, risk scores, clinical decision rules, Computer-intensive methods

Topics: Nursing Research, Experimental design, Quasi-Experimental Design, survey designs, qualitative research, Field Study Approach, field study, New-Wave Research, Understanding Bias, bias, Descriptive Statistics, Inferential Statistics, Data Collection, Measurement, Questionnaire Development, Sampling, Sample Size, data analysis, quantitative data analysis, Simple Causal Models, Multivariate Techniques, research report, Research Critique, Research Utilization

Topics: Research methodology, research, research methods, research process, research problem, research design, sampling design, census, sample survey, measurement, scaling techniques, scaling, scaling construction techniques, data collection, observation method, case study method, measures of central tendency, measures of dispersion, measures of asymmetry, skewness, simple regression, regression analysis, multiple correlation, regression, partial correlation, sampling, sampling distributions, central limit theorem, sampling theorem, Sandler's A-test, estimation, sample size, hypothesis, hypothesis testing, Chi-square test, Yates correction, ANOVA, analysis of variance and co-variance, ANOVA technique, analysis of Co-variance, ANOCOVA, nonparametric test, distribution free test

Topics: algorithm design, algorithm analysis, Algorithm Efficiency, Algorithm Efficiency analysis, Brute Force, Exhaustive Search, Decrease-and-Conquer, Divide-and-Conquer, Transform-and-Conquer, Space and Time Trade-Offs, Dynamic Programming, Greedy Technique, Iterative Improvement, Algorithm Power, Algorithmic Problem Solving, Nonrecursive Algorithms mathematical analysis, recursive Algorithms mathematical analysis, Selection Sort, Bubble Sort, Sequential Search, Brute-Force String Matching, Closest-Pair Problems, Convex-Hull Problems, depth-First Search, Breadth-First Search, Insertion Sort, Topological Sorting, Variable-Size-Decrease Algorithms, Decrease-by-a-Constant-Factor Algorithms, binary search, Mergesort, quicksort, Binary Tree Traversals, Strassen’s Matrix Multiplication, Gaussian Elimination, presorting, Balanced Search Trees, Heaps, Heapsort, Horner’s Rule, Binary Exponentiation, Problem Reduction, B-Trees, hashing, Knapsack Problem, Optimal Binary Search Trees, Warshall’s Algorithm, Floyd’s Algorithm, Prim’s Algorithm, Kruskal’s Algorithm, Dijkstra’s Algorithm, Huffman Trees, huffman Codes, Simplex Method, Maximum-Flow Problem, Stable Marriage Problem, Lower-Bound Arguments, Decision Trees, Numerical Algorithms, Backtracking, Approximation Algorithms