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sasho [114]
2 years ago
7

Dr. DeLoss is interested in whether training can improve vision in older adults. He first measured visual acuity (clarity of vis

ion) in a sample of 100 people. He then had a group of 50 participants completed a 15 minute training task once a day for one month. The other 50 people did nothing different in their routine. At the end of the month he had both groups participate in another visual acuity test to measure any changes in vision. Identify the independent and dependent variables.
Social Studies
1 answer:
lianna [129]2 years ago
7 0

Answer:

complete task, visual acuity

Explanation:

The independent variable is a naturally occurring or somewhat random variable that the researcher has no control over

The dependent variable on the other hand is variable that is caused or influenced by the independent variable.

From the above, Dr. Deloss's independent variable is "complete task" and his dependent variable is "visual acuity" since it is influenced by the tasks completed by participants.

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Professor Kramer has decided to measure how happy his students are with his teaching this semester. He is teaching two classes t
hoa [83]

Answer:

3. This will lead to a biased sample because the type of students who take Psychology and Law may be different from the type of students who take Introduction to Neuroscience

Explanation:

Professor Kramer wants to measure the level of happiness of his students, and he wants to do so for both his classes. However, he will biased the survey simply because he is considering surveying only the students from one of his classes, who may be very different from the students from the other class.

If Professor Kramer wants to make a unbiased survey, he should either find a way to also apply the survey to the students from the other class, or change the goal of the research to measuring the happiness level of the Psychology and Law class students only.

8 0
1 year ago
Consider the Northridge, CA earthquake with a M 6.7, compared to the 2001 Nisqually earthquake that hit the Seattle area, with a
mixas84 [53]

Answer: The Northridge quake was greater than Nisqually's because of the sequels the former had after the actual event.

Explanation: The aftershock of the 2 earthquakes were significantly different, marking Northridge as the place with more repercussion in the aftermath of the tremor itself: it can be remarked that hundreds of small quakes were recorded during the week after, causing a lacking possibility to start moving forward in order to start  the rebuilding process.

7 0
2 years ago
Enzo just started his own IT company and is taking a marketing course to learn how to create more effective business marketing m
Llana [10]

Answer:

Guidelines below

Explanation:

Well, since an Elevator pitch takes from 60 to 90 seconds. Enzo must be able to say:

1) What is the name of his company?

2) How long he's been on the market

3) Why He does that?

4) Why would somebody hire them? Highlights their best services

5) Kindly Invite for a meeting without strings attached.

Enzo, also, must write it down as an story, memorize it and be ready to say with all his heart.

4 0
2 years ago
Read 2 more answers
A small amount of muscle tension and muscle definition (the appearance of muscle beneath the skin) is present even in a relaxed
ioda

Answer:    Muscle tone

Explanation:  Muscle tone is actually a muscle tension. This tension (muscle tone) maintains the body in its position as it is, or in a particular desired position. Or, for example, during movement, when the body changes its position, these changes of position are regulated by muscle tone. When the body is at rest, some muscle tension exists, and depending on the general fitness of the body, that tension under the skin is more visible or less visible, that is, my muscles will be tighter or floppy.

7 0
1 year ago
Carl jung established __________ after disagreeing with sigmund freud on a number of issues regarding the psychodynamic perspect
aliina [53]
I believe the answer is: <span>Analytical psychology

</span><span>Analytical psychology is based on the assumption that each individuals contain many different pieces that would formed their overall psyche if The pieces are combined into a whole. This very assumption become the basis of a popular psychology test called the Myers-Briggs test.</span>
7 0
1 year ago
Read 2 more answers
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