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anyanavicka [17]
3 years ago
10

Cara is running a study to examine the effect of music on mood. She randomly assigns participants to three conditions — rock, ja

zz, and country. She has the participants rate their mood with a short questionnaire, then listen to their assigned music for 20 minutes, and then fill out the mood questionnaire again. What kind of design is she using? Group of answer choices pretest/posttest posttest only repeated measures concurrent measures
Social Studies
1 answer:
vagabundo [1.1K]3 years ago
8 0

Answer:pretest/posttest

Explanation:

A pretest-posttest refers to a experiment in which individuals in a study participate before and after the experiment. This is done so that a researcher may examine if manipulation of the experiment changes the result obtained from the participants. In this design there is only one large group used for the experiment.

This is done to examine and establish if changing something can influence the participants. The manipulation is constant throughout all the participants since the participants are studied before and then after the manipulation of the experiment.

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Most peoples of sub-Saharan Africa speak a language that is part of which family?
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I think the answer is the bantu family
6 0
2 years ago
A democratic presidential candidate pointed out numerous flaws in his opponent's health care legislations. He focused on how his
Dvinal [7]

Answer:

Sounds like a smear campaign

Explanation:

he is calling the other person's morality into question by putting the thought of "how could that candidate let that poor boy die." into the minds of the watcher 'smearing' the publics idea of the opposition.

4 0
3 years ago
Which measure of memory retention is the most useful for assessing the strength of an implicit memory?
erica [24]

Answer:

Implicit memory is occasionally called unconscious storage or automatic stored. Implicit memory uses past experiences without thinking about things. Previous experiments, no matter how long such experiences have taken place, enable implicit memory performance.

Explanation:

Implicit memory, procedural memory, allows us to do many physical daily activities, like walking and cycling, without thinking. Much of the implied memory is procedural in nature.

Procedural memory involves mainly new motor skills and is dependent on the brain and baseline ganglia.

When someone sings the first few words, remember the words to the song.

Easy cooking tasks such as boiling pasta water.

Take a familiar route every day, for example by commute or the store you frequently shop for.

Tasks that are routine in a familiar job, for example to sand for a carpenter or to chop onions for a chef.

5 0
2 years ago
Read 2 more answers
archeological findings dating back to 6,500 bc suggest the first attempt to offer care for those suffering from mental illness t
ira [324]

Archeological findings dating back to 6,500 bc suggest the first attempt to offer care for those suffering from mental illness took the form of trepanning.

A surgical procedure called trepanning involves drilling or scraping a hole into the human skull. It is also referred to as trepanation, trephination, trephining, or producing a burr hole. Pressure beneath the skull bone is relieved by the operation. The buildup of fluid, such as pus, blood, or even air, may be the cause of the pressure. A tiny aperture is made in the frontal sinus floor through a surgical technique called trepanation.

Trepanation is still used by neurosurgeons today, albeit for quite different purposes. The method is mostly employed to treat epidural and subdural hematomas.

To know more about trepanning: brainly.com/question/9557467

#SPJ4

4 0
1 year ago
B. Is this a valid or an invalid argument
kow [346]

Answer:

I would have to say invalid.

Explanation:

There is not enough information to have a fully valid argument.

8 0
3 years ago
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