Describe the Fundamental Flaw That Prevents a Pre-Post Design from Being

question 32

Essay

Describe the fundamental flaw that prevents a pre-post design from being a true experiment.(That is,why can't these designs produce an unambiguous cause-and-effect explanation?)Explain how the series of observations before the treatment help reduce this problem.

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Definitions:

Genotypic Plasticity

The ability of an organism's genotype to produce different phenotypes in response to varying environmental conditions.

Genetic Blueprint

A set of genetic instructions encoded in DNA that guides the development and functioning of an organism.

Environmental Factors

External elements such as climate, geography, and pollution that can influence living organisms and their development.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental and intellectual delays.