Saturday
August 2, 2014

# Posts by PsyDAG

Total # Posts: 17,988

Psychology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results.

Psychology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. It sounds like a classical experiment.

psychology (?)
What are your choices? Is there a stick or other equipment available? Is there another chimp that could cooperate in reaching the bananas?

Statistics
SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n

You're welcome.

1. wouldn't know ("puzzled all day") 2. doesn't see self as old ("young girl who smiled at him")

biology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. Extraneous variables — other than the independent ...

algebra (?)
There is no a, b or D shown in the equation. x^2 + 4x + 4 = (x+2)^2

Algebra II
If the slope is m in Steve's equation above, what is the position of m in the slope intercept form? That is the value of the slope.

Change percent to decimal and multiply. 1. .94 * 43 = 40.42 8. 6/90 = .066667 (convert to percentage by multiplying by 100) 9. 105/.05 = 2100 Your answers seem right, but you can check again by using decimals.

psychology
In classical conditioning, the unconditoned stimulus (US) is one which reflexively causes a response. One example is putting something into your mouth causes salivation. In this case the unconditioned response (UR) is the response to a US presented alone, the salivation. A con...

statistics (?)
Is the probability the same for all 4? What does the "it" refer to?

Math
A. 18/25 = x/9 B. x/100 = 2.64/9 Solve for x.

Health
What are you serving? Drinks? Ice Cream? Vegetables? How about Googling the specific substance and adding the key word, "calories," if that is what interests you? For example: https://www.google.com/search?client=safari&rls=en&q=vanilla+ice+cream+calorie+count&ie=UTF...

statistics
Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "area...

algebra 1 (incomplete)
An equation needs an equal (=) sign. Where is yours?

Science (?)
The molecular formula for sucrose = C12H22O11. What "starch like above"?

Indicate your specific subject in the "School Subject" box, along with the specific problem in the content box, so those with expertise in the area will respond to the question.

Biology simple question
The wavelengths and amplitudes are what it is designed to measure?

Statistics
Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the z score.

STAT (?)
What following statements? Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = √(SEmean1^2 + SEmean2^2) SEm = SD/√n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labele...

pyschology
You're welcome!

psychology
Assuming that the behavior was modeled for you, social cognitive.

Statistics (incomplete)
You have no measure of variability. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities in terms of Z scores. Z scores is your score in terms of standard deviations. Z = (score-...

Science
Is it — or has it been — alive? Organic may refer to: Of or relating to an organism, a living entity Of or relating to an organ

Psychology
I'm not sure what you mean by "effect size." However, 29 is one standard deviation above the mean, which involves a difference of about 34%.

Math (?)
Neither do I. There seems to be some information missing. C = 2rπ Therefore: C/2π = r

Statistics
1a. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance Range = highest score...

1. right 2. 40/3 = 13 1/3 yards

Math: Algebra II
d = s * t

Statistics
The first two need to be non-Jacks. First card = (52-4)/52 With one card gone, the second card = (51-4)/51 The third card needs to be the Jack = 4/50 If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of t...

Math Poster Project
You need to chose what numbers to use and what math processes to involve. For the numbers between -1 and 1, you could use -.5 and 1/2. You do the rest.

health care policy

Statistics
How can you have a probability greater than 1? If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. "Forty-six percent of students eat breakfast and also floss their teeth."

Statistics
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post.

STATS
I would.

College Algebra
The largest area would be closest to a square. Divide 1932 by 4.

Science
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results. What criteria are you going to use to measure life impr...

Statistics
95% = mean ± 1.96 SD Insert values and calculate.

science

statistics
Z = (score-mean)/SEm SEm = SD/√n Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

Math
Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. 8 * 25 * 23 = 4,600 When multiplication is indicated, how do you use subtraction? Do you have a typo?

Since this is not my area of expertise, I searched Google under the key words "effective aftercare plan for alcohol/drug abusers" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=effective+aftercare+plan+for+alcohol/drug+abusers&ie=...

Statistics
From your description, I'm not sure what is being asked. If it is "either blue or green," you are right. If it is just green ("green notepad is selected"), then 1/4 is correct.

psy331
How can we know "your own experiences in learning"?

pys
Subliminal messages are not that effective. Loud music and banter would distract from the message. You need to notice the message, so B.

psychology
I disagree. Perception is defined as the interpretation of a sensation.

Psychology

Psychology
The resting potential is increased, and the change must be to positive to promote an action potential. With this info, what would you pick?

math help (?)
We cannot graph on these posts. Also, to graph, we need two values for coordinates.

Statistics
Yes.

Statistics
Yes.

MATH (?)
Please do not use all caps. Not only is it harder to read, but it is like SHOUTING online. Thank you. Not sure what you are asking with "how to make a ten." 9 + 7 = 16

math
An inequality is treated just like an equation, except that multiplying/dividing by a negative value reverses the carat (< to >). Add 7 to both sides.

math
7(1+2)

Math
No, the two sides are equal.

Psychology
An independent variable is the potential stimulus or cause, usually directly manipulated by the experimenter, so it could also be called a manipulative variable. A dependent variable is the response or measure of results.

Stats
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (.10) and its related Z score. Insert with other data in equation above and solve.

Science
Sí, sí, C.

Science
Did you multiply 20 * 17.16? What did you get? Not B. Feedback gives you information that your actions were (or were not) successful. Not B. Agree with A. With something as small as a paper clip, do you think a .05 gram variance is accurate?

math
Anything to the zero power = 1.

science (?)
Diagrams not available.

Math
d:4::32:56 d/4 = 32/56 Multiply both sides by 4. d = (4*32)/56 Finish calculations.

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events, not dividing. Fraction = desired event/total possibilities die = 3/6 Marble = 3/8

Statistics
Forty-six percent of students eat breakfast and also floss their teeth.

math
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .6 * .7 = ?

Statistics
If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. First shirt = category/total = 11/30 Second shirt, since one XL shirt is gone = 10/29 Third shirt, since two XL are gone = 9/28 ...

algebra1
5f + 7 ≤ 22 An inequality is treated just like an equation, except that multiplying/dividing by a negative value reverses the carat (< to >). Subtract 7 from both sides, then divide both sides by 5.

Math
The number of toothpicks increase by 2 each time --> n + 2?

Math
From the way you state the problem, in 5 years Chen will be 5 and his father will be 30. That won't be half. Otherwise: (x+25) = 2(x+5) Solve for x, then x+25 and x+5.

math
A minus times a minus = positive, so negative value squared would be positive. 2* 3/-4* 3/-4 = 2 * 9/16 = 9/8 14 * -1/3 * -1/3 = 14 *1/9 = 14/9 (9/8-4/3)/(14/9) Find common denominator to evaluate further.

Math
-3n + 24 < -17 -3n The -3n's cancel each other out, so it is unsolvable.

Statistics
1. SUV = .12, V = .24. .12 + .24 ≠ .54 2. right 3. right, however, there is a problem with the missing .10. If it is included, it would be (1-.38)^3. = .62^3 = .388244 4. .16 + .16^2 + .16^3 = .238328 5. again to include the .10, (1-.12)^2 = .88^2 = .7744

Statistics
Probabilities only add to .90. Is the remaining .10 people who decided not to rent, or do you have a typo? 1. Either-or probabilities are found by adding the individual probabilities. 2. .16 + .12 + .24 = ? 3. If the events are independent, the probability of both/all events o...

pre algebra
Value = Principal(1+rate)^years Value = 1000(1+.06)^5 Solve for value.

biology
Try A.

Dice Probability
There is only one #2 and one #3 on each die. 1/6 * 1/6 = 1/36

Beginners Spanish
¿Hay cuánta tarea hoy? But I would rather ask: ¿Tengo que hacerlos?

mitx (??)
Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question. It would help if you proofread your questions before you posted them. No figure available. Pressure values missing.

Stats/ Probability
Probability of NOT getting a 1 = 5/6, getting a 1 = 1/6. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. For five tosses: (5/6)^4 * 1/6 = ?

Math
Since this is not my area of expertise, I searched Google under the key words "distributive property of rational numbers" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=distributive+property+of+rational+numbers&ie=UTF-8&oe=UTF-8 I...

Math
Equals about,"≈" (found with option and x)

statistics,math
Pearson would use two variables to find their relationship, like height and weight. Choose your own behavioral variables. Chi square would use categories, like college majors of graduates by gender. Choose your own behavioral variables.

stats
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

Need to know how to do it, not just answer
Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

Math
If average of 1/2 inch per file, then there would be 2 * 8 * 46 files per unit. 2*8*46x = 736x = 40,000 Solve for x.

Average deviation
Whatever unit is being used for the distribution.

Science (Graphing) ASAP
2,8 4,16 6,24 etc. To know how far, you need to know how many seconds.

Science
Since this is not my area of expertise, I searched Google under the key words "Mitosis and Meiosis" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=Mitosis+and+Meiosis&ie=UTF-8&oe=UTF-8 In the future, you can find the information y...

Math
How can we tell what you discovered, what strategies you used or what you needed to check? Since this is not my area of expertise, I searched Google under the key words "Fibonacci sequence" to get these possible sources: https://www.google.com/search?client=safari&rl...

MATH
(7*3)+5 = 26 chocolates and (7*3)+1 = 22 caramels = ?

MATH
More data needed. 12 chocolates and 8 caramels is one possibility. 19 chocolates and 15 caramels is another.

science
The number of chromosomes would double with each generation.

statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

statistics
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability (±.4750) and the related Z scores. Insert Z scores both into the equation above.

Science
The genetic variability is limited?

Biology
Since this is not my area of expertise, I searched Google under the key words "taxonomic nomenclature" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=taxonomic+nomenclature&ie=UTF-8&oe=UTF-8 In the future, you can find the informa...

science
Zoological nomenclature just includes animals, while biological nomenclature also includes plants.

PSY/315