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Discussion: Effective Questioning

Discussion: Effective Questioning. I’m working on a English exercise and need support.

Discussion: Effective Questioning
Questioning is a critical aspect of formative assessment. More specifically, when used effectively, questioning is a way a teacher can monitor student understanding.
If you were advising a first year teacher about how to manage and structure questioning in a typical 30 student classroom, what is one of the best practices for questioning that is mentioned in your textbook? What do you think the biggest challenges are for teachers to use effective questioning techniques?

Discussion Guidelines:
In each discussion you are expected to provide one original post within the first week that the discussion is open, and then respond to your classmates’ posts. 4-5 thoughtful and timely posts are in the A range.
Discussion: Effective Questioning

Self-efficacy is a general concept that measures how well we think we can control different situation, statistics homework help.

PROBLEM 1Self-efficacy is a general concept that measures how well we think we can control
different situations. A multimedia program designed to improve dietary behavior
among low-income women was evaluated by comparing women who were randomly assigned to
intervention and control groups. The intervention was a 30-minute session in a computer
kiosk in the Food Stamp office. In this study, the participants were asked, “How sure are
you that you can eat foods low in fat over the next month?” The response was measured on
a five-point scale with 1 corresponding to “not sure at all” and 5 corresponding to “very
sure.” Here is a summary of the self-efficacy scores obtained about 2 months after the
intervention:
PART A: Is it appropriate to use the two-sample t-procedures? Give reasons for your
answer. Choose one correct answer.
A.Itisnotappropriatetousethetwo-sample -proceduressincethedistributionisnot
Normal.
B.Itisnotappropriatetousethetwo-sample -proceduressincewecannotassess
Normality without knowing the detailed data.
C.Theuseofthe -proceduresisappropriate,becausetheproximityofthemeansand
standard deviations show that the two distributions are similar.
D.Assumethattherearenooutliers.The -proceduresshouldbeappropriate,becausewe
have two large samples.
PART B : Let m1 denote the mean self-efficacy scores obtained from the “Control” group
and m2 denote the mean self-efficacy scores obtained from the “Intervention” group.
If the research question is to determine whether the data provide significant evidence to
conclude that women participating in the control group (no intervention) have less self-
efficacy scores than women participating in the intervention on average, which one of the
followings includes the appropriate null hypothesis and alternative hypothesis?
A. H0 :m1-m2 =0 versus Ha :m1-m2 10
B.H0:m1-m2=0versus Ha:m1-m2>0
C. H0 :m1-m2 =0 versus Ha :m1-m2 <0
D.H0:m1-m2£0versus Ha:m1-m2>0
PART C: Suppose that you are not certain whether the two populations of interest have
the same standard deviations. Calculate the standard error of x1 – x2 (denoted by SEx1-x2 ).
Page 1 of 12
ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART D: By hand, calculate the appropriate test statistic associated with the hypotheses
set up in PART B. What are the degrees of freedom for the test statistic? Use the
conservation approach (i.e. the smaller of n -1 and n -1 ) to determine the associated
12
degrees of freedom
PART E: Draw a sketch of a t-distribution curve and mark the location of your test
statistic found in PART D. Shade the appropriate area that represents the P-value. Using
an appropriate statistical table, approximate the P-value.
PART F: At the significance level of 0.001, do the data provide significant evidence to
conclude that the population mean self-efficacy scores of women participating in the
control group (no intervention) is less than the population mean self-efficacy scores of
women participating in the intervention group? Justify your answer (i.e. How do you reach
your conclusion?)
PROBLEM 2
The study of 584 longleaf pine trees in the Wade Tract in Thomas County, Georgia, had
several purposes. Are trees in one part of the tract more or less like trees in any other
part of the tract or are there differences? In this exercise we will examine the sizes of
the trees, measured as diameter at breast height (DBH), by dividing the tract into
eastern and western halves and taking random samples of 30 trees from each half. Here are
the diameters in centimeters (cm) of the sampled trees:
The eastern distribution is right-skewed and the western distribution is left-skewed as
shown in each histogram below.
30
25
20
15
10
5
0
Histogram
West
35
30
25
20
15
10
5
0
Histogram
East
Page 2 of 12
Percent
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
Below is the summary statistics for DBH each half of the tract:
PART A: Is it appropriate to use the methods of this section to compare the mean DBH of
the trees in the east half of the tract with the mean DBH of trees in the west half? Give
reasons for your answer.
A.The -methodsarenotappropriatebecausethetwodistributionsareskewed.
B.The -methodsarenotappropriatebecausethedistributionsofthenorthernand
southern halves are not similar.
C.The -methodsareappropriatebecausethesamplesizesarerelativelylargeeven
though the two distributions are skewed, and there are no outliers in either
distribution.
D.The -methodsareappropriatebecausetheyarerobustagainstallkindsofdeviations
from Normality.
PART B: Suppose that we use a two-sided significance test that help us investigate
whether there is a significant evidence that the mean DBH of the trees in the eastern
half of the tract is NOT the same as the mean DBH of the trees in the western half of the
tract.
What is (are) the most appropriate reason(s) for your choice of using the two-sided test?
Choose one correct answer.
A. The data shows us it is more likely that the western trees and the eastern trees have
different DBHs.
B. We have no reason to expect a difference in a particular direction.
C. The results from the two-sided test give more information.
D. A and B are correct.
E. A, B and C are correct.
PART C: Suppose that we use a two-sided significance test that help us investigate
whether there is a significant evidence that the mean DBH of the trees in the eastern
half of the tract is NOT the same as the mean DBH of the trees in the western half of the
tract.
Let m1 denote the mean DBH of the trees in the west and m2 denote the mean DBH of the
trees in the east.
State the appropriate null and alternative hypotheses in terms of m1 and m2 .
PART D: By hand, calculate the appropriate test statistic associated with the hypotheses
set up in PART C. What are the degrees of freedom for the test statistic? Use the
conservation approach (i.e. the smaller of n -1 and n -1 ) to determine the associated
12
degrees of freedom
Page 3 of 12
ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART E: Draw a sketch of a t-distribution curve and mark the location of your test
statistic found in PART D. Shade the appropriate area that represents the P-value. Using
an appropriate statistical table, approximate the P-value.
PART F: Which one of the followings summarizes your conclusion based on the P-value
found in PART D and the appropriate hypotheses stated in PART C?
A. At the 5% level of significance, we have significant evidence to suggest
DBH of the western trees is smaller than the mean DBH of the eastern trees.
B. At the 1% level of significance, we have significant evidence to suggest
DBHs of the two populations are different.
C. At the 5% level of significance, we have significant evidence to suggest
DBHs of the two populations are different.
MODULE 8: LESSON 2
PROBLEM 3
that the mean
that the mean
that the mean
An industrial psychologist is investigating the effects of work environment
attitudes. A group of 28 recently hired sales trainees were randomly assigned to one of 7
different “home rooms” – four trainees per room. Each room is identical except for wall
color, with 7 different colors used. The psychologist wants to know whether room color
has an effect on attitude, and, if so, wants to compare the mean attitudes of the
trainees assigned to the 7 room colors. At the end of the training program, the attitude
of each trainee was measured on a 100 -pt. scale (the lower the score, the poorer the
attitude).
PART A: Identify the response variable in this study.
PART B: Identify the treatments for this study.
PART C: How many treatments are in this study ?
PART D: How many replications are in each treatment group ?
PART E: What is the total sample size in this study?
PROBLEM 4
In a completely randomized design experiment, 10 experimental units were randomly chosen
for each of three treatment groups and a quantity was measured for each unit within each
group. In the first steps of testing whether the means of the three groups are the same,
the sum of squares for treatments was calculated to be 3,110 and the sum of squares for
error was calculated to be 27,000.
PART A: Complete the ANOVA table. That is, find the values of a, b, c, d, e, f, g, h, and
i.
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on employee
ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART B: Which of the following is not a condition required for a valid One-Way ANOVA F-
test for a completely randomized experiment?
A) The sampled populations all have distributions that are approximately normal.
B) The samples are chosen from each population in an independent manner.
C) The variances of all the sampled populations are different.
PROBLEM 5
A partially completed ANOVA table for a completely randomized design is shown here.
PART A: Complete the ANOVA table.
PART B: How many treatments are involved in the experiment?
PART C: Do the data provide sufficient evidence to indicate a difference among the
population means? Test using α = .05.
PROBLEM 6
An industrial psychologist is investigating the effects of work environment on employee
attitudes. A group of 20 recently hired sales trainees were randomly assigned to one of
four different “home rooms” five trainees per room. Each room is identical except for
wall color. The four colors used were light green, light blue, gray, and red. The
psychologist wants to know whether room color has an effect on attitude, and, if so,
wants to compare the mean attitudes of the trainees assigned to the four room colors. At
the end of the training program, the attitude of each trainee was measured on a 60-pt.
scale (the lower the score, the poorer the attitude). The data was subjected to a one-way
analysis of variance.
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART A: Give the null hypothesis for the one-way ANOVA F-test shown on the computer
output above.

A) : where the ′ represent mean attitudes for the four rooms

B) : where the ′ represent the proportion with the corresponding
attitude

C) : where the ′ represent attitude means for the person in each room

D) : where the ′ represent the room colors

PART B: Using the one-way ANOVA table given above, identify the following values:
Sum of Squares for Groups (SSG)=
Sum of Squares for Error (SSE)=
Degrees of Freedom in the numerator (DFG)=
Degrees of Freedom in the denominator(DFE)=
Mean Squares for Groups (MSG)=
Mean Squares for Error(MSE)=
PROBLEM 7
Four different leadership styles used by Big-Six accountants were investigated. As part of
a designed study, 15 accountants were randomly selected from each of the four leadership
style groups (a total of 60 accountants). Each accountant was asked to rate the degree to
which their subordinates performed substandard field work on a 10 -point scale called the
“substandard work scale”. The objective is to compare the mean substandard work scales of
the four leadership styles. The data on substandard work scales for all 60 observations
were subjected to an analysis of variance.
ONE-WAY ANOVA FOR SUBSTAND BY STYLE
SOURCE DF SS MS F P
BETWEEN
WITHIN
TOTAL
3 2728.17 909.390 5.210 0.003
56 9774.63 174.547
59 12,502.80
Interpret the results of the one-way ANOVA F-test shown on the printout for α = 0.05.
A) At α = .05, there is sufficient evidence of differences among the substandard work
scale means for the four leadership styles.
B) At α =.05, nothing can be said.
C) At α = .05, there is no evidence of interaction.
D) At α =.05, there is insufficient evidence of differences among the substandard work
scale means for the four leadership styles
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PROBLEM 8
There have been numerous studies investigating the effects of restaurant ambience on
consumer behavior. A recent study investigated the effects of musical genre on consumer
spending. At a single high-end restaurant in England over a 3-week period, there were a
total of 141 participants; 49 of them were subjected to background pop music (for
example, Britney Spears, Culture Club, and Ricky Martin) while dining, 44 to background
classical music (for example, Vivaldi, Handel, and Strauss), and 48 to no background
music. For each participant, the total food bill, adjusted for time spent dining, was
recorded. The following table summarizes the means and standard deviations:
PART A: State a set of hypotheses that is appropriate for investigating the effects of
musical genre on consumer spending.
Let denote the followings:
mC
mP
mN
= the mean bill from the population subjected to background classical music.
= the mean bill from the population subjected to background pop music.
= the mean bill from the population subjected to no background music.
PART B: Is it reasonable to assume that the variances are equal in order to be pooled?
A. It is reasonable, because the sample variances are highly similar.
B. It is not reasonable, because the ratio of largest variance 11.10 to smallest variance
5.03 is greater than 2.
C. It is reasonable, because the ratio of largest standard deviation . 0.481 to
. √smallest standard deviation √ 0.338 is less than 2.
D. It is reasonable, because the ratio . 1.49 is less than 2.
.
PART C: Give the numerator degrees of freedom and the denominator degrees of
freedom associated with the F-statistic for the hypotheses set up in PART A.
PART D: A computer software computed the sum of squares for groups of 164.66 and the
sum of squares for error of 1,069.39. Calculate the F statistic for the hypotheses set
up in PART A.
PART E: Given that a computer software gives the P-value of 0.00005, which of the
following is the most appropriate conclusion?
A. We have strong evidence that the means are all the same.
B. We have strong evidence that the means are not all the same.
C. We have strong evidence that the mean is higher for classical music.
D. We have strong evidence that the mean for classical music is different from the other
two means.
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MODULE 8: LESSON 3
PROBLEM 9
A study of 865 college students found that 42.5% had student loans. A single random
sample of 865 college students were randomly selected from the approximately 30,000
undergraduates enrolled in a large public university. The overall purpose of the study
was to examine the effects of student loan burdens on the choice of a career. A student
with a large debt may be more likely to choose a field where starting salaries are high
so that the loan can more easily be repaid. The following table classifies the students
by field of study and whether or not they have a loan:
PART A: Identify the explanatory variable and the response variable in this study.
PART B: Suppose that we are investigating to determine whether there is significant
evidence that “Student loan” and “Field of study” are dependent. State an appropriate set
of hypotheses.
PART C: If it is true that “Student loan” and “Field of study” are independent, how
many students who study Science and who have student loans would you expect to see from
the sample?
PART D: The partial Excel output using MegaStat add-in for the above table is given
below. The output includes the observed cell counts (in yellow), the expected cell counts
(in green), and the contributions to the chi-square statistic in orange cells. Some
expected cell counts and some contributions to are missing.
Recall that a contribution to is calculated by which is
represented by in the MegaStat output below.
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
Answer the following questions below:
(1) What is the expected cell count for students who study Science and who have student
loans?
(2) What is the expected cell count for students who study Agriculture and who do not
have student loans?
(3) Is the chi-square test appropriate for performing the significance test of the
hypotheses in PART A? Why or why not?

(4) What is the value of ?

(5) How many values of the response variable are there? That is, how many rows

(excluding the total row) are there in the two-way table (given above PART A)?
(6) How many values of the explanatory variable are there? That is, how many columns
(excluding the total column) are there in the two-way table (given above PART A)?
(7) What is the degrees of freedom for the chi-square statistic ?
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART E:
The area (in read on the right) on the
right tail of the chi-square distribution
with the degrees of freedom found in PART D
represents the P-value associated with the
chi-square statistic . Using Table F
, approximate the P-value.
PART F: Using the significance level of 0.05, what do the results of the significance
test show? Choose one correct answer.
A. There is no significant evidence that having a loan and field of study are related.
B. There is significant evidence that having a loan and field of study are related.
C. There is significant evidence that having a loan and field of study are not related.
PROBLEM 10
Because statistical software plays such an important role in modern statistical
applications, many studies have encouraged the use of technology in statistics courses.
The Guidelines for the Assessment and Instruction in Statistics Education (GAISE) (Aliaga
et al., 2005) project was funded by the American Statistical Association to examine needs
for college level statistics courses. One of the six recommendations from GAISE is the
use of technology for developing conceptual understanding and analyzing data. Suppose a
survey was sent to 115 students at different universities across the United States to
access the relationship between ease of learning the statistical software program SAS and
a student’s currently level of SAS proficiency. The results of the survey are are shown
below.
To access the relationship between ease of learning the statistical software program SAS
and a student’s currently level of SAS proficiency, the appropriate hypotheses are
: of learning the statistical software program SAS and a student′s currently level of SAS are independent.
: of learning the statistical software program SAS and a student′s currently level of SAS are dependent.
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART A: If the null hypothesis is true, how many students who find SAS to be
somewhat easy to learn and who are somewhat proficient in SAS would you expect to see in
the sample?
PART B: The partial Excel output using MegaStat add-in for the above table is given
below. The output includes the observed cell counts (in yellow), the expected cell counts
(in green), and the contributions to the chi-square statistic in orange cells. Some
expected cell counts and some contributions to are missing.
Recall that a contribution to is calculated by which is
represented by in the MegaStat output below.
Answer the following questions below:
(1) What is the contribution to for students who find SAS to be somewhat easy to
learn and who are somewhat proficient?

(2) Which cell contributes most to the chi-square statistic ?

(3) What is the value of the chi-square statistic ?

PART C: Determine if the following statement is appropriate. Give your reasons.
At 1% level of significance, there is sufficient evidence to suggest that ease of
learning the statistical software program SAS and a student’s currently level of SAS
proficiency are dependent.
PROBLEM 11
Following complaints about the working conditions in some apparel factories both in the
United States and abroad, a joint government and industry commission recommended in 1998
that companies that monitor and enforce proper standards be allowed to display a “No
Sweat” label on their products. Does the presence of these labels influence consumer
behavior? A survey of U.S. residents aged 18 or older asked a series of questions about
how likely they would be to purchase a garment under various conditions. For some
conditions, it was stated that the garment had a “No Sweat” label; for others, there was
no mention of such a label. On the basis of the responses, each person was classified as
a “label user” or a “label nonuser.” There were 296 women surveyed. Of these, 63 were
label users. On the other hand, 27 of 251 men were classified as users.
PART A: Display the data in a two-way table. Use the columns for the values of the
explanatory variable in the study and the rows for the values of the response variable in
the study.
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ONLINE STAT 2000 ONLINE MODULE 8 REVIEW LESSONS 1‐3
PART B
Suppose we want to perform an appropriate significant test to determine whether or not
there is a relationship between gender and use of No Sweat labels.
Give an appropriate set of hypotheses, an appropriate test statistic, its associated
degrees of freedom, and its associated P-value. Use TABLE F to approximate the P-value.
PART C
Using the significance level of 0.0025, which of the followings is the appropriate
conclusion?
A. There is no significant evidence that gender and label use are dependent.
B. There is significant evidence that gender and label use are dependent.
C. There is significant evidence that gender and label use are independent.

Self-efficacy is a general concept that measures how well we think we can control different situation, statistics homework help

New York State University Week 4 Turner Test Prep Co Case Study Discussion

New York State University Week 4 Turner Test Prep Co Case Study Discussion.

I’m working on a business question and need an explanation to help me understand better.

Respond to the following in a minimum of 175 words:Review Case Study 1, “Turner Test Prep Co,” which you can access in the Wk 4 Learning Activities folder.In the case study, there’s little doubt that Jessica’s energy and eagerness will eventually propel her to success one day. In the meantime, Jessica shares a common dilemma experienced by all business types, sizes, and experience-related backgrounds: defining the ever-changing preferences and needs of consumer groups.As an entrepreneur with minimal marketing skills, Jessica has reached out to peers and those recently enrolled in graduate school for additional input about the premise of her Test Prep company. What are your thoughts regarding the preparation of a preliminary marketing plan?Note: Case studies are located in the last section “Part 6: Cases” in the course textbook.
New York State University Week 4 Turner Test Prep Co Case Study Discussion

Can Aspirin Prevent a Person from Having a Heart Attack? Essay

essay writer free Daily aspirin intake is a common prescription for people suffering from heart disease or those belonging to heart disease risk groups. Because aspirin is an easily available medication and its effectiveness is believed to be high, it is often recommended as a prevention of a first-time heart attack (Hebert, 2001). However, the findings of recent studies point to the fact that its effectiveness is low in preventing fatal outcomes of strokes and subsequent occasions of heart diseases (Wang, 2014). Still, to evaluate the efficiency of this prescriptive measure, it is paramount to determine the correct dosage in a way that benefits from taking aspirin outweigh potential risks and side effects. First of all, it is imperative to understand the benefits and drawbacks related to taking aspirin. It minimizes the risks of blood clots because of its influence on platelets, cell fragments activating the process of a blood clot formation. These cell fragments are formed because of the high content of cholesterol in the blood. The intake of aspirin blocks the secretion of the enzyme, cyclooxygenase, provoking blood slots thus protecting the coronary artery from being blocked and a human body from the deadly threat of heart attack (“What’s the difference between aspirin and nitroglycerin for heart attack prevention and treatment,” 2010). The existence of platelets in blood vessels and their role in heart attacks, as well as the blocking impact of aspirin, were first described by the British pharmacologist John Vane, who introduced it as a popular heart disease prevention in the 1970s (Dai

Effective Conflict Resolution in a Culturally Diverse Workplace Essay

Understanding the influence of sociocultural environment on conflict resolution in a business setting is indispensible to successful cooperation and communication. It is widely recognized that Western managers prefer solving problems overtly and address the issues explicitly. Such an approach to conflict resolution explains the self-construct in Western societies and characterizes individuals as those who are more focused on self-expression and determination1. In contrast, Eastern managers are more interested in avoiding the conflict, or solving it implicitly. However, when Western business executives confront issues in a culturally diverse environment, they often face challenges in solving conflict because of discrepancies in understanding nature of misconceptions and establishing contacts with individuals from different cultural backgrounds. While operating in an Australian business setting, managers pay close attention to strict observance of regulatory status and codes of conduct. Therefore, such principles as justice, equality, and fair treatment are among the priorities that are considered by Australian CEOs2. Despite this objective attitude, business companies in Australia are more reminiscent of the Western style of controlling the managerial process and, therefore, resolving conflicts with Eastern communities can pose a serious problem on their relations. In particular, Australian managers dealing with Chinese, Malaysian, and Indian staff should be more focused on social commitment and development of high-context communication. In order to enrich organizational culture and improve the overall employed environment in an organization, Australian managers should make a shift to a collectivist thinking to understand the in-group activities performed by Eastern members of an organization. Hence, while dealing with breach of the company’s protocol, the managers should address the entire department involved into the violation to define what has caused the problem. Individually approaching an employee who is a potential violator would be inefficient3. Second, discussing the problem in context can provide a better picture of problems and constrains that the culturally diverse staff can experience. Finally, Western managers should also learn the peculiarities of communication among Eastern employees. For instance, they should know that Chinese communities operate in a high-context setting whereas Western societies are more confined to low-context interaction. Get your 100% original paper on any topic done in as little as 3 hours Learn More The company’s managers should realize that Eastern-oriented staff is more committed to a collectivist culture and, therefore, it will be difficult to define the individual who violates the company’s protocol. In order to solve the issue, specific attention should be given to reshaping the ideological values in a company to make the individual adhere to the newly emerged standards4. Alternatively, the manager can randomly punish one employee in a group, which can affect other subordinates5. As a result, a conflict resolution could be solved with no reference to specific individuals. Australian supervisors can also focus on individual achievements to improve the performance of the entire staff. In conclusion, dealing in a culturally diverse workplace is a challenge, particularly when it comes to effective conflict resolution. In particular, Australian managers should not employ overt and explicit strategies in making decisions. Alternatively, they can strike the balance between overt and implicit methods to favor the dispute management. They can either refer to the entire group to affect on individual, or focus on one employee to influence the entire department. Understanding the importance of interdependent and cultural influence is vital for managing culturally diverse groups. Therefore, dealing with Chinese, Indian and Malaysian staff, Australian managers should not employ person-centered approach. Bibliography Bosma, Theo. Effective Leadership Practices in Cross-cultural Conflict Resolution: A Qualitative Study. US: Proquest, 2007. Chen, Guo-Ming and Ringo Ma. Chinese Conflict Management and Resolution. US: Greenwood Publishing Group, 2002. Deutsch, Morton, Coleman Peter T., and Eric C. Marcus. The Handbook of Conflict Resolution: Theory and Practice. US: John Wiley

The culture of the deaf and hard of hearing is often overlooked because it is characterized as a nonethnic

The culture of the deaf and hard of hearing is often overlooked because it is characterized as a nonethnic culture. What cultural characteristics do deaf people have in common with other cultural groups? If your client is both deaf and identifies with another cultural group as well, how does this affect your ability to provide quality cultural care? Post your initial response by Wednesday at midnight. Respond to one student by Sunday at midnight. Both responses should be a minimum of 150 words, scholarly written, APA formatted, and referenced. A minimum of 2 references are required (other than your text) for both posts. Refer to the Grading Rubric for Online Discussion in the Course Resource section.