Examlex
If the average rate of decomposition of PH3(g) is 3.2 (mol PH3) .L-1.min-1 for the reaction 2PH3(g) 2P(g) + 3H2(g) ,the unique average reaction rate is
Pretest-Posttest
A research design that measures participants on the dependent variable before and after exposure to an intervention or treatment to assess its effects.
Solomon Four-Group
An experimental design involving four groups to measure the effects of a treatment while controlling for pretesting.
Pretest
An initial test or assessment conducted before the main test or experiment to evaluate participants' baseline abilities, knowledge, or attitudes.
Pretest-Posttest
A research design that measures the effect of an intervention by comparing conditions before and after the intervention is applied.
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