A dentist wants to know whether posters of calming nature scenes will reduce patient anxiety. Which of these is the most important Confounding Variable in this experiment?

a) the age of the patient
b) a reduction of anxiety
c) how crowded the waiting room becomes
d) both a and c

Answers

Answer 1

Answer:

d

Explanation:

Answer 2

The most important confounding variable in this experiment is d) both a and c.

Confounding variables are factors that are not directly controlled or manipulated by the experimenter but can influence the relationship between the independent variable (calming nature scenes) and the dependent variable (patient anxiety). They can introduce alternative explanations for the observed results.

In this experiment, the age of the patient (variable a) and how crowded the waiting room becomes (variable c) are both potential confounding variables. Here's why:

a) The age of the patient: Different age groups may respond differently to calming nature scenes. For example, younger patients might have different levels of anxiety compared to older patients. Age-related factors such as life experiences, previous dental visits, or personal preferences may influence anxiety levels and responses to the nature scenes. If the age distribution is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.

c) How crowded the waiting room becomes: The level of crowding in the waiting room can create a different environment and affect patient anxiety levels. A crowded waiting room may increase anxiety due to the lack of personal space or increased social interactions. On the other hand, a less crowded waiting room might provide a more relaxed environment. If the level of crowding is not controlled or accounted for, it could confound the relationship between the nature scenes and anxiety reduction.

Considering both variables a and c as potential confounding variables is important to ensure that any observed effects of the calming nature scenes on patient anxiety are not solely attributed to age or waiting room crowding. Controlling for these variables or including them as factors in the experimental design or analysis can help isolate the true effect of the nature scenes on anxiety reduction.

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Related Questions

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Answer:

Scale that measure pounds

Answer:

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Explanation:

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Helppp

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Catalase. It destroys your cell membranes, it causes pain, it makes your hair turn gray, and it causes peroxidation in your lipids which leads to bad cholesterol ratios, diabetes and heart attack

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Answer:Biological Surplus is the amount of animals in a given population that are "above" the carrying capacity.

Explanation:

2. What is the original source of almost all the energy in most ecosystems?
(a) Carbohydrates
(b)Sunlight
(c) Water
(d)Carbon
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Answers

Answer:

2.-(b) Sunlight

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Xác định giao tử của các kiểu gen sau Aa,AA, aa, AABB, AaBb,AAbb, AAbb, aabb, aabB, aaBB,

Answers

Answer:

Aa

Explanation:


organ means :
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B. a structure in an animal specialized for some
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D. a scale that measures the mental ability of a
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Answers

Answer:

The answer is B that is the answer

WILL GIVE BRAINLIST

What does “the mean number of weeds in three parts of land” mean?

A. Someone determined the total number of weeds in each plot of land and divided that number by the number of people that live on each plot.
B. Someone determined the total number of weeds in each plot of land in calculated the average.
C. Someone determined the total number of weeds in each plot of land and wrote down the answer.

Answers

The answer would be option B

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O monomer

Answers

Answer:

d) monomer

Explanation:

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Answers

Answer:

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Answer:Wind turbine

Explanation:

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Answers

Answer: Increasing enzyme, decreasing inhibitors, increasing cofactors

Explanation:

Why? Well, we know that increasing how much enzyme is available is a good method to speed up the rate of an enzyme catalyzed reaction because we have MORE enzymes to deal with the substrates. We also know that cofactors are essential for widening the range of substrates an enzyme can catalyze. Cofactors also stabilize charge, so the substrate can fit into the binding site better.

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Answer:

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Answer:

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BECOUSSE OF THE CELULAR RRESPIRATION

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Answers

Answer:

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Explanation:

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Answers

Answer:

Hey mate.....

Explanation:

This is ur answer....

Monosaccharides are carbohydrates that cannot be hydrolyzed to simpler carbohydrates. Disaccharides are oligosaccharides that contain two monosaccharide units. Polysaccharides contain a large number of monosaccharide units bonded to each other by a series of glycosidic bonds.

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Brainliest pls!

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What is the difference between bunnies', rabbits, and hares?

Answers

Answer:

Hares tend to be larger than rabbits, with longer hind legs and longer ears with black markings. While rabbits' fur stays the same color year-round, hares change color from brown or gray in the summer to white in the winter. Rabbits make their homes in burrows underground, while hares make nests above ground. The word bunny is often used to describe a baby rabbit; however, there is actually a different name for this. Finally, you can call a young child Bunny as a term of endearment. A bunny and a rabbit really are just two names for the same animal. A hare, on the other hand, is a completely different species. They may look similar, but hares are typically bigger than rabbits and have very different living and breeding habits.

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Answers

Answer:

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Answers

Answer:

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Explanation:

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Answers

Answer:

transcription

Explanation:

Answer:

i dk what its called but it occurs in the nucleolus

Explanation:

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Answers

Answer:

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Explanation:

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Answers

Answer:

ayyeee you go to k12 too in 9th grade

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Explanation:

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Answers

Answer:

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u

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Taiga
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Answers

The answer should be Taiga

Hope this helped :)

Coniferous forests are a distinctive feature of the taiga biome, commonly referred to as the boreal forest or snow forest. With a total area of 17.1 million square kilometres (6.6 million square miles), or 11.5% of the land on Earth, it is the biggest terrestrial biome on the planet. Thus, option A is correct.

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Conifers never lose their needles, unlike deciduous trees in temperate woods, which lose their leaves in the winter.Taigas have dense forest cover.

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Answers

Answer:

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Explanation:

hope this helps you if it does please mark brainiest

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Answers

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Answers

Answer:

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Explanation:

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Answers

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Explanation:

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