An Experimenter Tests the Reading Skills of Some 10-Year-Old Children

question 76

Multiple Choice

An experimenter tests the reading skills of some 10-year-old children, puts them on a low-fat diet for 6 months, retests their reading skills, and finds that most show a significant improvement in their reading. The experimenter concludes that a low-fat diet improves intellectual development. One major defect in this study is the lack of any

• A) dependent variables.
• B) demand characteristics.
• C) control group.
• D) independent variables.

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Definitions:

Parietal Lobe

A region of the brain located at the upper back area in the skull, responsible for processing sensory information such as touch, temperature, and pain.

Imprinting

The development of a social attachment to a stimulus experienced during a sensitive period of development.

Sensitive Periods

Times in an organism's development during which the organism is particularly receptive to certain stimuli, leading to lasting changes in behavior or capabilities.

Organism

A living individual, ranging from single-celled to complex multicellular entities, capable of performing biological functions.