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Juli2301 [7.4K]
3 years ago
14

Dr. Kang, a cognitive psychologist, conducts an experiment examining the effect of emotion on memory. He provides lists of 15 wo

rds to two groups of participants at his university. He puts the names of all the participants in a hat. The first 20 names he assigns to Group A and the last 20 he assigns to Group B. Group A is given a list of words that are very emotional in content (e.g., passion, murder). Group B is given a list of words that are neutral in content (e.g., houseplant, desk). He then measures how many words each group is able to remember after being distracted for 5 minutes by watching a video about the history of the university. He finds that Group A remembers 15% more words than Group B. Use the scenario to answer the following questions (A though C).
A. What is the dependent variable? [1 pt]

B. What is the independent variable? [1 pt]

C. Can Dr. Kang make a causal claim that "emotion enhances memory"? Why or why not?
Mathematics
1 answer:
Ainat [17]3 years ago
7 0

Answer:

21

Step-by-step explanation:

best pickup line: Even if earth didn't have gravity i would still fall for you.

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Kobotan [32]
Answer choice A is correct
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3 years ago
Stacey scored 8 out of 12 on her lastest math test. what percentage did Stacy score on her test?
skelet666 [1.2K]
8/12 is .67, when rounded. In order to find her percentage, multiply .67 by 100 to get it. She got 66.7%, when rounded, on the test.
5 0
3 years ago
HELP TIMED BRAINLY POINTS​
kozerog [31]

Answer:

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Step-by-step explanation:

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3 years ago
What value of k will result in the quadratic having one rational solution if 4x2+kx+4=0?
PtichkaEL [24]

The value of 'k' in the quadratic Equation    4x^{2}+kx+4=0 having one rational solution is k is 8.

<h3>What is a Quadratic Equation?</h3>
  • Quadratic equations are the polynomial equations of degree 2 in one variable of the type f(x) = ax^{2} + bx + c = 0 where a, b, c, ∈ R and a ≠ 0.
  • The standard form of a quadratic equation is ax^{2} + bx + c = 0 .

Here, the given equation is  4x^{2}+kx+4=0

By comparing the given equation with the standard form of the quadratic equation we get,

a = 4

b = k

c = 4

The given quadratic is having one rational solution, which means b^{2} -4ac=0

Therefore,

k^{2} -4 \times 4\times4=0\\k^{2} -64=0\\k^{2} =64\\k=\sqrt{64} \\k=8

Therefore, the value of k is 8.

Learn more about the quadratic equation is brainly.com/question/8649555

#SPJ4

7 0
2 years ago
suppose x and y vary inversely and y=10 when x=4. write a function that models the variation then find y when x =90
ankoles [38]
X = k/y
4 = k/10
k = 4 x 10 = 40
Thus, x = 40 / y

90 = 40 / y
y = 40/90 = 4/9
4 0
3 years ago
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