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3 years ago

Observer bias relates mainly to ________ whereas observer effects stem from

Social Studies

1 answer:

aleksandrvk [35]3 years ago

5 0

Observer bias relates mainly to "Researchers" whereas observer effects stem from "participants".

Observer bias which otherwise is known as experimenter bias or research bias etc. is an inclination to observe what a researcher wishes to see. It states that the researcher has a prior knowledge about the experiment group while observer effect refers to the act in science when the act of observing will manipulate the experience being observed.

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1-When and how do our images on ourselves and others destroy our relationships?

pogonyaev

Answer:

Self-Esteem Communication Trust

Explanation:

The way you and your partner perceive yourselves -- negative or positive -- affects your relationship. If one or both have a poor self-image, it can show up in the relationship in many different ways, and can cause a lot of damage. If both partners have a positive perception of themselves, they are more likely to have a successful relationship.

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2 years ago

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3 years ago

Ano ano ang hindi maayos na lagay sa ekonimiya

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Answer:

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3 years ago

Suppose you find a rock that contains 10 micrograms of radioactive potassium-40, which has a half-life of 1.25 billion years. By

attashe74 [19]

Answer:

The rock is 3.75 billion years ago.

Explanation:

Given that:

Half life = 1.25 billion years

1 billion years = 10⁹ years

So,

Half life = 1.25 × 10⁹ years

$t_{1/2}=\frac {ln\ 2}{k}$

Where, k is rate constant

So,

$k=\frac {ln\ 2}{t_{1/2}}$

$k=\frac {ln\ 2}{1.25\times 10^9}\ year^{-1}$

The rate constant, k = 5.5452 × 10⁻¹⁰ years⁻¹

Initial amount [A₀] = 80 micrograms

Final amount $[A_t]$ = 10 micrograms

Using integrated rate law for first order kinetics as:

$[A_t]=[A_0]e^{-kt}$

So,

$10=80\times e^{-5.5452\times 10^{-10}\times t}$

$80e^{-5.5452\times \:10^{-10}x}=10$

$\frac{80e^{-5.5452\times \:10^{-10}x}}{80}=\frac{10}{80}$

$\ln \left(e^{-5.5452\times \:10^{-10}x}\right)=\ln \left(\frac{1}{8}\right)$

$x=\frac{10^{10}\times \:3\ln \left(2\right)}{5.5452}=3.75\times 10^9$

So,

The rock is 3.75 billion years ago.

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3 years ago

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3 years ago

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