11. The term "inelastic
(1) Describes demand that is not very
sensitive to a change in price.
(2) Describes demand that is very seasitive
to a change in price.
(3) Describes demand whose elasticity is
exactly equal to 1.
(4) Refers to how consumers make
substitutions.

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases