A Researcher Examines the Effectiveness of Different Body Lotions by Having

question 2

Multiple Choice

A researcher examines the effectiveness of different body lotions by having 12 participants apply four different lotions to the same, unique body locations daily for two weeks.For example, lotion #1 is always applied to the right thigh, while lotion #2 is applied to the upper right arm.The participants were randomly selected at a drugstore in a busy area.What is the research hypothesis for this study?

• A) Differences exist between the average effectiveness assessments of each lotion.
• B) Lotions cause differences in skin quality across locations.
• C) The effectiveness of the four different lotions is the same, on average.
• D) The lotions are the same in terms of effectiveness.

---

Definitions:

Flying Mammal

Mammals capable of flight, with bats being the most well-known example, distinguished by their winged forelimbs.

Bat

A flying mammal capable of echolocation, which it uses to navigate and find food in the dark.

Phonetic

Relating to the sounds of spoken language and the study of their production, transmission, and reception.

Lexical

Pertains to the words of a language or the vocabulary related to a specific subject or field.