Which of These Is NOT a Possible Explanation for Obtaining

question 26

Multiple Choice

Which of these is NOT a possible explanation for obtaining null results in a valid experiment?

• A) the levels of the independent variable are too similar to each other.
• B) the experimenter used a valid and reliable measure of the dependent variable.
• C) the manipulation of the independent variable was unsuccessful..
• D) the dependent variable is subject to a floor effect.

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Definitions:

Ascomycota

A division of fungi characterized by the formation of spores in a special type of cell called an ascus, including yeasts and many molds.

Saprotrophic Decomposers

Organisms that decompose organic matter by secreting digestive enzymes, absorbing and recycling nutrients.

Recycling

The process of converting waste materials into new materials and objects, aiming to reduce the consumption of fresh raw materials.

Nutrients

Substances obtained from food that are essential for growth, metabolism, and for maintaining life.