Examlex
The correlation between two equivalent forms of an objective test administered in immediate succession enables one to determine the proportion of error variance due to
Coefficient Of Correlation
A statistical measure that calculates the strength and direction of the linear relationship between two variables on a scatter plot.
Wet Mount
A technique for preparing specimens on a microscope slide using a drop of liquid to keep the sample alive or to enhance optical properties.
Iris Diaphragm
A component of optical devices, such as microscopes and cameras, that can adjust the size of the aperture to control the amount of light that passes through the lens.
Oil Immersion
A technique used in microscopy where an oil with a refractive index close to that of glass is placed between the specimen and the objective lens to increase resolution.
Q1: A researcher who wants to conduct a
Q2: On the basis of her experience a
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Q51: List four characteristics of an acceptable hypothesis
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Q78: Refer to Exhibit 7-10.A significantly greater proportion
Q83: "Statistical regression" refers to the tendency of