Which of the Following Constitutes a Controlled Experiment

question 35

Multiple Choice

Which of the following constitutes a controlled experiment?

• A) using a microscope to observe organisms present in a sample of pond water and recording the number of each type of organism observed
• B) setting up a bird feeder and compiling a list of all of the bird species seen at the feeder over a period of several weeks
• C) growing one set of ten seedlings under white light and one set of the same type of seedlings under red light and measuring their growth over a period of two weeks
• D) growing one set of ten seedlings under white light at 30°C and one set of a different type of seedlings under red light at 25°C and measuring their growth over a period of two weeks

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Definitions:

Edisonian

Pertaining to Thomas Edison, often referring to his inventive approach that emphasizes trial and error and persistence.

Collaborative Computing

Collaborative computing involves the use of computer systems and software to enable multiple users to work together on joint projects, often over a network.

Groupware

Refers to software designed to help people involved in a common task to achieve their goals by facilitating digital communication and collaboration.

Group Authoring

The collaborative process of creating content or documents by multiple individuals working together.