'Experimental controls' presentation slideshows

II. Multiple Regression

II. Multiple Regression. Recall that for regression analysis: The data must be from a probability sample. The univariate distributions need not be normal, but the usual warnings about pronounced skewness & outliers apply.

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Propensity Score Matching

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Propensity Score Matching

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Experiment

Experiment. An experiment deliberately imposes a treatment on a group of objects or subjects in the interest of observing the response. Differs from an observational study, which involves collecting and analyzing data without changing existing conditions. Experimental Controls.

398 views • 19 slides

Iron Decomposition

Iron Decomposition. Goals. To determine the ______________________ ________________________________ To _______________ based on these results Determine whether __________________ _________________________________________ Comparison to theoretical %H 2 O in the hydrate

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Experimental Variables

Experimental Variables. Different factors that can change during an experiment are known as variables . 1. Independent Variable. Is the variable an experimenter can change. Is Plant Growth Affected by:. Examples: Sunlight Food Water Temperature. Change only 1 variable at a time.

322 views • 12 slides