Solved

Use the Following to Answer Questions

question 80

Multiple Choice

Use the following to answer questions
Study Description: Tail Wagging
A New York Times article published on April 24, 2007, reported the research of Dr.Giorgio Vallortigara, a neuroscientist at the University of Trieste, Italy, and his two colleagues.The researchers asked whether a dog wags its tail in a preferred direction in response to positive stimuli and in another direction in response to negative stimuli.To answer their question, they recruited 30 dogs that were family pets.Filming each dog from above, they allowed it to view (through a slat in its cage) three positive stimuli separately, in order of descending positivity: its owner, an unfamiliar human, and a cat.All the dogs responded by wagging their tails to the right.But when the dogs were presented with an unfamiliar, aggressive dog, a negative stimulus, all dogs wagged their tails to the left.
-(Study Description: Tail Wagging) Which statement is the null hypothesis for this study?

Definitions:

Prospective memory

The aspect of memory that involves remembering to perform a planned action or intention at the appropriate time.

Retrospective memory

The ability to remember information and events from the past, including facts, experiences, and people.

Cross-linking theory

A theory in biology and chemistry describing how chemical bonds form between different parts of a molecule or between molecules, affecting properties like elasticity in tissues.

Body proteins

Essential macromolecules that serve various functions in the body including as enzymes, antibodies, and structural components of tissues.