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Browse canonical concepts by label, domain, node type, prefix and encoded class.
Current membership scope: Any direct membership
| Concept | Node type | Base domain | Matched membership | Identifier |
|---|---|---|---|---|
| Intention to Treat Analysis Strategy for the analysis of RANDOMIZED CONTROLLED TRIALS AS TOPIC that compares patients in the groups to which they were originally randomly assign… | Outcome analysis method | Research Methodology | Research Methodology [base] | AMW:TECH:050343 |
| International System of Units A system of physical units in which the fundamental quantities are length, time, mass, electric current, temperature, luminous intensity, and amount … | Molecular biology method | Research Methodology | Research Methodology [base] | AMW:TECH:050748 |
| Interrupted Time Series Analysis A study that uses observations at multiple time points before and after an intervention (the interruption), in an attempt to detect whether the inter… | Outcome analysis method | Research Methodology | Research Methodology [base] | AMW:TECH:050362 |
| Interviews as Topic Works about conversations with an individual or individuals held in order to obtain information about their background and other personal biographica… | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050225 |
| Investigative Techniques Investigative techniques used in pre-clinical and clinical research, epidemiology, chemistry, immunology, genetics, etc. They do not include techniqu… | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050001 |
| Kaplan-Meier Estimate A nonparametric method of compiling LIFE TABLES or survival tables. It combines calculated probabilities of survival and estimates to allow for obser… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050443 |
| Large Language Models Computational designs that apply DEEP LEARNING methods on extremely large data sets as a basis for predicting and constructing natural-sounding text. | Model or Theory | Research Methodology | Research Methodology [base] | AMW:TECH:05772. |
| Latent Class Analysis A statistical algorithm used to analyze clusters of observed variables by constructing categorical unobserved or latent segment based on weighted ana… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050389 |
| Least-Squares Analysis A principle of estimation in which the estimates of a set of parameters in a statistical model are those quantities minimizing the sum of squared dif… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050428 |
| Lethal Dose 50 The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population. | Exposure assessment method | Research Methodology | Research Methodology [base] | AMW:TECH:050730 |
| Leukemia, Experimental Leukemia induced experimentally in animals by exposure to leukemogenic agents, such as VIRUSES; RADIATION; or by TRANSPLANTATION of leukemic tissues. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050614 |
| Likelihood Functions Functions constructed from a statistical model and a set of observed data which give the probability of that data for various values of the unknown m… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050401 |
| Limit of Detection Concentration or quantity that is derived from the smallest measure that can be detected with reasonable certainty for a given analytical procedure. | Instrument calibration method | Laboratory Medicine | Research Methodology [role_derived] | AMW:TECH:050430 |
| Linear Models Statistical models in which the value of a parameter for a given value of a factor is assumed to be equal to a + bx, where a and b are constants. The… | Experimental model | Research Methodology | Research Methodology [base] | AMW:TECH:050402 |
| Liver Cirrhosis, Experimental Experimentally induced chronic injuries to the parenchymal cells in the liver to achieve a model for LIVER CIRRHOSIS. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050612 |
| Liver Neoplasms, Experimental Experimentally induced tumors of the LIVER. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050615 |
| Logistic Models Statistical models which describe the relationship between a qualitative dependent variable (that is, one which can take only certain discrete values… | Experimental model | Research Methodology | Research Methodology [base] | AMW:TECH:050403 |
| Longitudinal Studies Studies in which variables relating to an individual or group of individuals are assessed over a period of time. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050355 |
| Lubrication The application of LUBRICANTS to diminish FRICTION between two surfaces. | Experimental model | Research Methodology | Research Methodology [base] | AMW:TECH:050699 |
| Mammary Neoplasms, Experimental Experimentally induced mammary neoplasms in animals to provide a model for studying human BREAST NEOPLASMS. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050616 |
| Markov Chains A stochastic process such that the conditional probability distribution for a state at any future instant, given the present state, is unaffected by … | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050410 |
| Matched-Pair Analysis A type of analysis in which subjects in a study group and a comparison group are made comparable with respect to extraneous factors by individually p… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050318 |
| Maximum Tolerated Dose The highest dose of a biologically active agent given during a chronic study that will not reduce longevity from effects other than carcinogenicity. … | Exposure assessment method | Research Methodology | Research Methodology [base] | AMW:TECH:050731 |
| Mediation Analysis A type of statistical analysis used to understand, clarify, and explain the relationship and pathway between a presumed cause (an independent variabl… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050399 |
| Melanoma, Experimental Experimentally induced tumor that produces MELANIN in animals to provide a model for studying human MELANOMA. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050617 |
| Mendelian Randomization Analysis The use of the GENETIC VARIATION of known functions or phenotypes to correlate the causal effects of those functions or phenotypes with a disease out… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050374 |
| Meta-Analysis as Topic A quantitative method of combining the results of independent studies (usually drawn from the published literature) and synthesizing summaries and co… | Statistical method | Research Methodology | Research Methodology [base] | AMW:TECH:050319 |
| Metabolic Engineering Methods and techniques used to genetically modify cells' biosynthetic product output and develop conditions for growing the cells as BIOREACTORS. | Molecular biology method | Research Methodology | Research Methodology [base] | AMW:TECH:050517 |
| Methods A series of steps taken in order to conduct research. | Research method | Research Methodology | Research Methodology [base] | AMW:TECH:050596 |
| Micronucleus Tests Induction and quantitative measurement of chromosomal damage leading to the formation of micronuclei (MICRONUCLEI, CHROMOSOME-DEFECTIVE) in cells whi… | Molecular biology method | Research Methodology | Research Methodology [base] | AMW:TECH:050527 |