A Scientist Adds 5 Mcg of the Mineral Cadmium to the Daily

question 18

Multiple Choice

A scientist adds 5 mcg of the mineral cadmium to the daily diet of 100 4-week-old laboratory mice.After 12 weeks,the researcher weighs and takes blood samples from each mouse.According to her findings,the mice lost weight during the 12-week period,and they have abnormal levels of certain hormones in their blood.Based on this information and your knowledge of scientific research,what would you tell the researcher about her findings?

• A)Her results are very interesting,and she should report her findings to nutrition scientists,so they can repeat her study and confirm the results.
• B)She needs to conduct more tests on the animals' blood,because her findings are incomplete.
• C)The findings are not meaningful or valid because of the way she designed her study.
• D)The findings need to be summarized in a research article for submission to a peer-reviewed nutrition journal.

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Definitions:

Motion Parallax

A depth cue involving the apparent relative motion of stationary objects as observed by an observer moving across the landscape.

Attentional Blindness

Also known as inattentional blindness, it is the phenomenon where an individual does not see new and unexpected changes in their visual field when their attention is focused elsewhere.

Top-Down Processing

A cognitive process that starts with the use of contextual information or an overarching understanding to perceive and understand stimuli.

Bottom-Up Processing

An approach in sensory processing where perception starts with an input stimulus and builds towards a concept, emphasizing the importance of sensory data in object recognition and interpretation.