Romer Castillo

28 Questions 442 Answers 0 Followers

Questions related from Romer Castillo

Do you have research articles on off-campus student housing?

We are currently conducting a study on university students' satisfaction on off-campus student housing. Can you share with us your research related to such topic? Rest assured that your paper will...

04 April 2017 4,653 1 View

How satisfied are your students on your university's student services?

Please share with us your research articles regarding the satisfaction of university students on student affairs, programs and services. Thank you.

04 April 2017 9,515 4 View

Do you have survey questionnaire on the employer's feedback on the job performance of college graduates?

Please share with us your questionnaire on employer's feedback on the job performance of college graduates, particularly graduates of business administration, customs administration, public...

04 April 2017 1,517 4 View

How are Public Administration and Development Communication as academic disciplines related to each other?

We need the opinions of academicians in these disciplines. Thank you in advance.

03 March 2017 2,299 3 View

Does anybody know about the so-called pedagogic exposition in mathematics research?

Is it a method of research or an objective of research? Do you have any article mentioning that "pedagogic exposition" as a method or as objective?

11 November 2016 9,606 3 View

Are exposition and expository research in mathematics the same or different?

If different, then what are the differences?

11 November 2016 7,051 3 View

Can anybody share/send me articles concerning quantitative analysis on the performance of a school in a licensure examination or similar exams?

I need articles from different countries for my literature review. Thank you very much in advance.

11 November 2016 7,097 2 View

Aside from analytical thinking, good communication and broad understanding of logistics industry, what other skills should a logistics employee have?

Recent articles on the skills and competencies of logistics industry employees will also be highly appreciated.

11 November 2016 8,318 1 View

What should be the impact factor of a journal to be considered as having a "high impact factor"?

We are encouraged by our University to publish our research papers only in journals with "high impact factor". But what should the impact factor be to be considered high?

07 July 2016 2,429 4 View

What do mathematics and philosophy of man have in common?

A few interesting examples can be deduced from the article given in the link below. Can you also give some?

03 March 2016 2,131 1 View

Is it ridiculous to answer your own question?

For example you have a question posted here in RG long time ago and nobody answered, but there are several views and some followers. And now you have the answer to your very own question. Will you...

03 March 2016 4,776 10 View

What are the current issues and challenges for sustainability of mountain tourism and ecotourism in your community?

Previously, we had a research on the ecotourism in a mountainous place in the vicinity of our community (please see the link below). We are planning to have a similar study on other areas but also...

03 March 2016 252 2 View

Is it possible to have a thorough review of a research article with only few pages (say, 10 pages or less) in less than 24 hours?

This is with the assumption that the selected reviewer is really an expert in that field.

02 February 2016 8,619 5 View

Is it fair to measure the worth of a research article through the reputation of the journal that publishes it?

Should it not be the citations of the paper as the proper basis for its worth?

02 February 2016 1,456 2 View

Is there also a list of probable 'predatory' book publishers?

There are lists of probable predatory research journal publishers and stand-alone journals. How can we know that a book publisher (whether in print or e-book) is a probable 'predatory'?

02 February 2016 8,271 6 View

Is there a factoriangular number (sum of corresponding factorial and triangular number) that is a perfect number?

We define factoriangular numbers as sum of corresponding factorials and triangular numbers, that is, n! + n(n+1)/2, n is a natural number. We listed the first few factoriangular numbers: 2, 5, 12,...

02 February 2016 2,494 2 View

Is there any previous study that shows: n! = T((n-1)!+n) - T((n-1)!) - T(n) where T(k) is the kth triangular number?

There are many relationships or connections between factorials and triangular numbers that can be found in the literature, both old and new. In a recent study on factoriangular numbers (sums of...

02 February 2016 6,429 6 View

Aside from 2, 5 and 34, is there any other factoriangular number (sum of corresponding factorial & triangular number) that is also a Fibonacci number?

If corresponding factorials and triangular numbers are added, the results form the sequence of numbers, {2, 5, 12, 34, 135, 741, 5068, 40356, ...}, which I call factoriangular numbers. In the list...

02 February 2016 2,407 9 View

Can you prove or disprove the following: 2 and 12 are the only factoriangular numbers that are twice a triangular number?

In the papers given in the links below, we define factoriangular number (Ftn) as the sum of corresponding factorial and triangular number, that is, Ftn = n! + Tn where Tn = n(n+1)/2. Notice that...

02 February 2016 1,413 10 View

Can you prove or disprove that for natural numbers n, m > 3, n is not equal to m, no Ft(n) is a divisor of Ft(m) where Ft(k) = k! + k(k+1)/2 ?

We define a factoriangular number (Ftn) as the sum of a factorial and its corresponding triangular number, that is, Ftn = n! + n(n+1) / 2. If both n and m are natural numbers greater than or equal...

02 February 2016 8,031 3 View

How do you solve maxima and minima problems in calculus (especially minimum distance/length problems)?

Do you usually use the long procedures given in the standard textbooks in calculus or have you tried using some derived formulas like the one given in the link below? Perhaps, you can also try...

02 February 2016 8,596 9 View

Can you derive a closed form of the ordinary generating function for the sequence of factoriangular numbers {2, 5, 12, 34, 135, 741, 5068, ...}?

Factoriangular numbers (denoted by Ftn) are formed by adding corresponding factorials and triangular numbers, that is Ftn = n! + Tn, where Tn is the nth triangular number. The closed form of the...

02 February 2016 6,052 3 View

How do you categorize journals and publishers as 'predatory'?

Almost everyone now are aware of Beall's list of 'probable' predatory publishers and standalone journals. But what if the publisher is a well-known academic institution in a country and what if...

02 February 2016 2,544 4 View

Which were considered reputable research journal indexing bodies/organizations?

Aside from Thomson Reuters and Elsevier's Scopus are there other equally reputable research journal indexing bodies?

02 February 2016 6,810 3 View

Is your college or university also shifting from inputs-based to outcomes-based higher education?

Our university is currently shifting to outcomes-based education (OBE). (You may be interested to see the link below.) Is your academic institution doing the same? Or have you done it long time...

02 February 2016 5,391 8 View

Aside from 741, is there any other number that is both factoriangular (sum of corresponding factorial and triangular number) and triangular?

Let factorials be added to their corresponding triangular numbers resulting to a sequence of numbers {2, 5, 12, 34, 135, 741, ...}, which I call factoriangular numbers in my recent papers. Let...

01 January 2016 4,801 5 View

Can you find positive integer solutions to 8n! + (2n + 1)^2 = m^2 other than n = 6, m = 77?

One solution to the Diophantine equation 8n! + (2n + 1)2 = m2 is n = 6, m = 77. What are the other positive integer solutions to the said equation?

01 January 2016 402 2 View

Do researchers in your country also used the so-called Slovin's Formula in determining the sample size for a survey research?

In my country (Philippines), education and social science researchers often used the so-called Slovin's Formula in determining the sample size for a survey research. The Slovin's Formula is given...

01 January 2016 3,125 18 View