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Dmitry [639]
3 years ago
5

Shortening the time between pretest and posttest or perhaps even offering cash payments to participants in an experiment are tec

hniques that may be used to __________.
a. limit diffusion
b. decrease experiment mortality
c. decrease the effects of instrumentation
d. control threats to testing
Social Studies
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

By shortening the time between pretest and posttest or perhaps even offering cash payments to participants in an experiment are techniques that may be used to: B) decrease experiment mortality.

Explanation:

To understand why the decrease of experiment mortality is the correct answer we have to analyze the concept. Experimental mortality is the concept used in research methods in all sciences to say that an experiment can fail because of the abandonment from the sample being studied. This happens because there are several reasons why a person could abandon the study. Thus, reducing it could be the best way to ensure the study's success by finishing. It is strictly related to validity because if te sample drops out there will be no acceptable sample individuals to make it valid. As studies require to have a certain number of participants to be valid.

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The correct answer is : A

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Nowadays today's professional women are more concerned about their professional life than being a stay-at-home mothers.  They prefer to postpone this housewife's life because they tend to accomplish their dreams and goals.  That's why the decision made by Marion goes against today's professional women in terms of choosing first the family than a career.

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Which of the following best describes demographic changes in the late 1800s? A. Rural areas grew much faster than the cities. B.
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A popular media articles describes how children and adolescents differ in the us and canada. how does the inclusion of participa
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A popular media articles describes how children and adolescents differ in the us and canada. how does the inclusion of participant variable information denote a factorial design

By a wide margin the most well-known way to deal with including numerous free factors (which are much of the time called factors) in a trial is the factorial plan.

In a factorial plan, each degree of one free factor is joined with each level of the others to deliver every single imaginable mix. Every blend, then, turns into a condition in the trial.

Envision, for instance, an investigation on the impact of PDA use (yes versus no) and season of day (day versus night) on ability to drive. This is displayed in the factorial plan table in Figure .

The four cells of the table address the four potential mixes or conditions: utilizing a PDA during the day, not utilizing a PDA during the day, utilizing a PDA around evening time, and not utilizing a phone around evening time. This specific plan is alluded to as a 2 × 2 (read "in pairs") factorial plan since it consolidates two factors, every one of which has two levels.

to learn more about  factorial design

brainly.com/question/18402941

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2 years ago
Kayla's grandparents immigrated from Europe. Kayla holds such a strong belief that her ethnic group is superior to all others th
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c. ethnocentric

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