Cohort effects pose a problem for _____ research designs.

2 answers:

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Cohort effects pose a problem for -Psycological or scientific- research designs. Because cohorts can be so large and so varied it can be difficult to find an empirical answer to a research question. This is because any answer could be based on differences and changes within the cohort rather than the conditions of the research.

AleksandrR [38]3 years ago

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Your answer is psychological or scientific.

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All isotopes have different number of neutrons and hence different atomic masses. Also they have the same electronic configuration and since the chemical properties are determined by this configuration, they all have the same chemical properties; therefore the answer is C)The all have the same number of protons.

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She has studied a lot and still she has failed her last two tests so spending more time preparing for the economics tests is not really a good option.

Retake the course with a different instructor would imply that the professor she has now is a factor that is influencing in her grades which doesn't seem to be the case.

Change to a different major shouldn't be an option because this is a very dramatic option and the fact that she has failed her tests doesn't mean she's bad at business.

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2 years ago

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Answer:

<h3>d. extraneous.</h3>

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Here, the researcher who measured aggressive responses by people when exposed to violent and non-violent movies did not take into account the room temperature.

The room temperature may act as an extraneous variable which may have an effect on the result of his experiment.

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According to the question, Rachel is able to identify source of pain is bee stung through perception which is given from sensed information or sensations about nature of pain .

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