The placebo effect occurs when patients improve because they believe they

Mathematics

2 answers:

liraira [26]2 years ago

6 0

9514 1404 393

Answer:

True

Step-by-step explanation:

That is the conventional explanation for the "placebo effect." True

<em>Additional comment</em>

It is likely there is more to it than that. There is pretty good evidence that experimenter expectations, and the expectations of others, play a role, too.

storchak [24]2 years ago

3 0

Answer:
true

Explanation:

The placebo effect is when an improvement of symptoms is observed, despite using a nonactive treatment. It's believed to occur due to psychological factors like expectations or classical conditioning.

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Thinking—Level 2 Get Started! Exit A farm raises cows and chickens. The farmer has a total of 40 animals. One day he counts the

dsp73

Answer:

21 pieces of chickens.

Step-by-step explanation:

Given:

The farmer has a total of 40 animals. ( cows and chicken )

He counts the legs of all his animals and realizes he has a total of 118 legs.

Question asked:

How many chickens does the farmer have ?

Solution:

Let number of chickens = $x$

Then number of cows = $40-x$

Now, as here given that total number of legs are 118 of all the animals, and as we know that a chicken has two legs and cow has four legs, hence the equation will be :

<u>Total number of legs = Number of legs having chickens + Number of legs having cows</u>

$118 = 2x+4(40-x)\\118=2x+160-4x$