Question

a new cream was developed to reduce the irritation caused by poison ivy. to test the effectiveness, researchers placed an ad online asking for volunteers to participate in the study, and 100 subjects replied. they are informed that one group will receive a new cream and the other group will receive a cream with no active ingredient. the researchers believe that sun exposure may affect the cream’s effectiveness. the subjects are then asked about their outdoor activities, and 42 of the subjects state they spend more than 50% of their day outside. all subjects are exposed to poison ivy and given their cream. they are asked to return in three days and report their level of irritation. which of the following describes a design? the subjects are grouped baser activity. the 42 subjects are rara two treatment groups. the rema also randomly assigned to the tw the subjects are numbered 1–10 numbers are entered into a rando fifty numbers, ignoring repeats, a these subjects receive the new cre 50 receive the inactive cream. the subjects are paired based on marbles, one red and one blue, are and mixed. if the first subject picks that subject will receive the new cre subject will receive the inactive crea then the opposite will occur. this is

Explanation:

Answer:

The subjects are grouped based on outdoor activity. The 42 subjects are randomly assigned to two treatment groups. The remaining 58 are also randomly assigned to the two groups.