Answer:
D. All of the above
Explanation:
Randomized controlled trial is best explained as a study during which people are allocated randomly (by chance alone) to receive one among several clinical interventions. one among these interventions is that the standard of comparison or control. The control could also be a typical practice, a placebo ("sugar pill"), or no intervention in the least . Someone who takes part during a randomized controlled trial (RCT) is named a participant or subject. RCTs seek to live and compare the outcomes after the participants receive the interventions.
In sum, RCTs are quantitative, comparative, controlled experiments during which investigators study two or more interventions during a series of people who receive them in random order. The RCT is one among the only and most powerful tools in clinical research.
Answer:
Texture gradient
Explanation:
Texture gradient is the difference in perception in size of an object when viewed from afar compared to when it is near.
<em>Answer:</em>
<em>discriminates between the Scooby-Doo cup and the Dora cup </em><em> </em>
<em>Explanation:</em>
<em><u>Discrimination</u></em><em> is determined as the capability or proclivity of a person to respond and perceive the differences present among distinct stimuli. Therefore, according to psychologists, discrimination is considered as a more advanced type of learning as compared to generalization, however, animals and human beings can be trained for both generalization as well as discrimination.</em>
<em><u>In the given context of the question, Lacy refuses to drink because she is able to discriminate between both the cups. </u></em>
Answer: B) a collection of articles used as the first constitution of the United States
An association relationship is very similar to an N:M or many-to-many relationship except that the intersection table has attributes of its own.
An association relationship are often delineated as matched, one-to-many, or many-to-many. Basically, associate association relationship between 2 or additional objects denotes a path of communication between them in order that one object will send a message to another.
A N:M relationship exists once one or additional things in one table will have a relationship to 1 or additional things in another table. For example: Your Order table contains orders placed by multiple customers, and a client might place quite one order.
To learn more about N:M relationship here
brainly.com/question/28258035
#SPJ4
