In Causal Analysis,what Is Required in the "Relationship Test

question 157

Multiple Choice

In causal analysis,what is required in the "relationship test"?

• A) The control variable must be held constant.
• B) The independent and dependent variable must change systematically.
• C) The independent variable must change prior to the dependent variable.
• D) Non-spuriousness must be demonstrated.

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Definitions:

Embryo

An embryo is an early stage of development in multicellular organisms, in humans, it refers to the phase of prenatal development between conception and the fetal stage.

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A powerful, addictive stimulant drug derived from the leaves of the coca plant, which is native to South America.

Stillbirth

The delivery of a baby who has died in the womb after 20 weeks of pregnancy, distinguished from earlier pregnancy loss, which is typically referred to as a miscarriage.

Prematurity

The condition of being born before the completion of 37 weeks of gestation, often associated with various health challenges.