Spontaneous Remission in Clinical Studies Is an Example of Which

question 39

Multiple Choice

Spontaneous remission in clinical studies is an example of which of the following threats to internal validity?

• A) Regression
• B) Attrition
• C) Observer bias
• D) Placebo effects
• E) None of the above

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Definitions:

Nutrient-poor

Describes soils or ecosystems that lack sufficient quantities of essential nutrients required for plant growth, resulting in limited vegetative productivity.

Broadleaf Trees

Trees characterized by broad, flat leaves that are shed annually, contrast to coniferous or needle-leaved trees.

Pollination

The transfer of pollen from the male part of a plant to the female part, enabling fertilization and the production of seeds.

Tropical Rain Forest

A dense, warm, and wet biome located near the equator, known for its immense biodiversity, complex ecosystem, and pivotal role in global climate regulation.