3 087 mots et expressions · 21 thèmes
definition specifying how a study concept will be observed or measured
specify observable procedures or measures for an abstract research concept
a method in which researchers join a group's activities while observing its members
record a study plan before observing the relevant outcomes
advance recording of a study plan before relevant outcomes are observed
experiment that randomly assigns study units to intervention and comparison conditions
capable of producing a sufficiently consistent finding in repeated studies
distortion arising from how study units are selected or retained
meeting a specified statistical threshold for incompatibility with a stated null model
result of meeting a stated statistical decision threshold under a specified model
the consistency of results when the same measure is given again under similar conditions
analysis that identifies and interprets patterns of meaning across material
compare or combine evidence from different methods or sources to examine a question
One of the alternative versions of a DNA sequence at a particular position in the genome.
an animal such as a frog or salamander, typically with moist skin and a life cycle that begins in water
the maximum population size that an environment can sustain over time with its available resources and conditions
a green pigment in plants, algae, and some bacteria that absorbs light used in photosynthesis
an organized structure of DNA and associated proteins that carries genetic information in a cell
a pattern of movement, sound, or appearance used by an animal to attract or gain acceptance from a mate
shedding leaves during a particular season each year and growing new ones later
an organism, such as a fungus or bacterium, that obtains nutrients by breaking down dead organic material
to evolve into a greater variety of forms or lineages over successive generations
to change an animal population over generations so that it is suited to living with and being used by humans
a gene variant whose effect on a particular trait appears when it is paired with a recessive variant
the combination of conditions, resources, and ecological interactions through which a species lives and reproduces
change over time in the species and structure of a biological community as organisms establish, grow, and alter conditions
naturally occurring only in a particular geographical area
the joining of male and female reproductive cells to form the first cell of a new organism
to search an area for food
the complete collection of gene variants present in a population at a particular time
change over time in the species and structure of a biological community as organisms establish, grow, and alter conditions
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