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KiRa [710]
2 years ago
11

Researchers interested in studying stress gave 150 high school seniors a very difficult math exam. After the test, the researche

rs measured stress by examining physiological changes with extensive medical testing that included drawing blood samples. When the test was over, they shared the results with the students, but did not publish individual data. Explain whether or not this study conforms to each of the ethical standards: Informed Consent, Debriefing, Confidentiality, and Protection from harm.
Physics
1 answer:
belka [17]2 years ago
4 0

Answer:

<u>Informed Consent- The study didn't conform this ethical standard.</u>

<u>Debriefing- The study conforms this ethical standard.</u>

<u>Confidentiality- The study conforms this ethical standard.</u>

<u>Protection from harm- The study conforms this ethical standard.</u>

Explanation:

<u>Informed consent</u> is described as a procedure whereby researchers tend to provide details about specific research they are going to conduct, the risk & benefits involved in the study, different alternatives involved in the procedure, etc.

<u>Debriefing </u>is described as a process that is being conducted in any of the different psychological research encompassing human participants after specific research is completed. The researcher tends to describe the details of the research to the participants.

<u>Confidentiality</u> is described as one of the different code of ethics followed by health workers or psychologists. While practicing confidentiality, a psychologist tends to promise his or her participants that he or she will keep everything a secret whatever is being discussed or shared between both of them.

<u>Protection from harm</u> determines that the psychologists conducting research follows the ethics in which he or she has to protect all the participants from any kind of harm.

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Which statement is not a good practice when working inside a computer case?
lozanna [386]

Answer:

a. be sure to hold expansion cards by the edge connectors

Explanation:

Removal of loose jewelry is a good safety practice. Also not touching a microchip with a magnetized screwdriver is also a good practice.

But holding expansion cards by the edge connectors is not a good practice, so it is the odd one in the question. Therefore answer option a provides the correct and best answer to the question

3 0
2 years ago
What is the minimum frequency of light necessary to emit electrons from titanium via the photoelectric effect?
erma4kov [3.2K]

<span>E = h x f </span>

<span>. . . then : </span>

<span>f = E / h </span>
<span>f = 4,41•10^-19 / 6,62•10^-34 </span>
<span>f = 6,66•10^14 Hz (s^-1) </span>


<span>b/ What is the wavelength of this light ? </span>
<span>- - - - - - - - - - - - - - - - - - - - - - - - - - - - </span>

<span>λ = c / f </span>
<span>λ = 3•10^8 / 6,66•10^14 </span>
<span>λ = 4,50•10^-7 m </span>
4 0
2 years ago
Read 2 more answers
What type of system would allow light and air to enter and exit?
BartSMP [9]

Answer:

Closed

Explanation:

8 0
2 years ago
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When light hits the boundary between two different materials, it can undergo when light hits the boundary between two different
Rashid [163]
When light hits the boundary between two different materials, it can undergo both reflection and refraction.

Reflection is the change in the direction of the wave that strikes the boundary between two materials.<span> It involves a change in the direction of waves when they clash with an obstacle.


Refraction  involves the change in the direction of waves as they move from one medium to  </span><span><span>another followed</span></span><span> by a change in speed and wavelength (this second medium should have different permitivity for the light to change its initial properties.)</span>




3 0
2 years ago
Read 2 more answers
The thrust of a certain boat’s engine generates a power of 10kW as the boat moves at constant speed 10ms through the water of a
Lunna [17]

Answer:

The change in power is 4400 W.

Explanation:

Given that,

Power = 10 kW

Speed = 10 m/s

Increases speed = 12 m/s

Given equation is,

F=kv

We know that,

The power is,

P=Fv

Put the value of F into the formula

P=(kv)v

P=kv^2

P\propto v^2

We need to calculate the new power

Using formula for power

\dfrac{P}{P'}=\dfrac{v^2}{v'^2}

Put the value into the formula

\dfrac{10}{P'}=(\dfrac{10}{12})^2

P'=(\dfrac{12}{10})^2\times10

P'=14.4\ kW

We need to calculate the change in power

Using formula of change in power

\Delta P=P'-P

Put the value into the formula

\Delta P=14.4-10

\Delta P=4.4\ kW

\Delta P=4.4\times1000

\Delta P=4400\ W

Hence, The change in power is 4400 W.

6 0
3 years ago
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