Anxiety in the classroom

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Protein Quantification Outside Standard Curve?

I am running a Bradford protein assay and my protein values are falling beyond the standard curve. I am already using 1uL of sample in the standard microplate assay. Is there a way to extend the...

13 December 2020 6,672 3 View

How to analyze sodium lauryl sulfate using HPLC-RID?

Hi, I am analyzing the content of anionic surfactant: sodium lauryl sulfate (SLS) in commercial detergents using HPLC-RID/refractive index detector. I used column Agilent Zorbax Eclipse XDB C-18...

15 November 2020 1,405 2 View

Cs-Gluconate for intracellular solution?

Dear patch-clamp enthusiasts, For patch-clamp recordings of vomeronasal sensory neurons, I need a cesium-based intracellular solution. Because I also need a defined amount of chloride, I have to...

11 November 2020 6,384 7 View

PLS- Is it normal that the standardized regression coefficients of my model do not coincide with the VIP values?

I am trying to perform a partial least square model (PLS) using one response variable and 33 explanatory.. Before the analysis I have standardized all my data so i am expecting that the regression...

19 October 2020 6,702 2 View

Which is preferable for whole rat brain clearing: tert-butanol or xylene?

I am performing LM on whole rat brains with a specific focus on the hippocampus and cannot find which information on which clearing technique is better.

05 October 2020 1,306 1 View

Is recoding negative questions always necessary when downloading to SPSS from SurveyMonkey?

I formatted a survey in SurveyMonkey using questions from a valid and reliable instrument (Principles of Adult Learning, Conti, 1978). Questions used a 6 point Likert scale (Always, Almost...

29 September 2020 8,194 4 View

Clarification on Shapiro-wilk sig. , skewness and kurtosis?

Hello, Maybe is a bit silly question but, I have a variable (N=78) and on shapiro-wilk test the sig. is .008 which is just over (greater) than 0.05 meaning that is just about normally...

29 August 2020 1,384 4 View

How to use Clamping and interpret its outcomes in MAXENT?

For my Masters project I have been creating SDMs using MAXENT, and the next stage involves using future climate projections in the 'projection layers directory' to see potential future...

25 June 2020 2,658 6 View

Google Earth Engine for Multitemporal analysis (Land Use Land Cover Change)?

Hello. I am reading about Google Earth Engine (GEE) and their applications for vegetation, landcover and agriculture mapping. I am analyzing an area of 20Mha to determine a multitemporal changes,...

01 May 2020 2,059 11 View

Why do we use qPCR with a singular reference primer?

Hi, I am doing a qPCR and using a reference primer for my lab research project. However, I am not sure what is the purpose of having a singular primer for my reference gene and having both...

28 February 2020 1,636 3 View

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Is there a recitation score bank system for fair evaluation and assessment of student recitation?

In actual and virtual class, even if there is rubric for recitation, students may still fail to receive fair grades or scores. Others are active in recitation and others are not or others may fail...

26 February 2021 8,387 3 View

Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations?

Dear colleagues, Do you think there is cognitive oversaturation in the current pandemic? What impact can this have? And other manifestations? The question is mainly aimed at adolescents (pupils,...

23 February 2021 7,796 4 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

Latent profile analysis based on two variables/sources of data?

Hello, for my master project, I would like to conduct a latent profile analysis about self-regulated learning skills. I would like to take two different measures into account when creating the...

21 February 2021 2,326 3 View

Where can I find raw quantitative datasets on ecosystem services?

I'm an Undergraduate student on the search for a research topic which has to involve any ecosystem service(s) and a response to environmental change. I'm looking for raw quantitative data sets (I...

19 February 2021 5,911 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Level 1 pre-post multilevel regression: Panel data or ANOVA approach?

Dear colleagues, I am currently teaching myself in multilevel analysis using educational data. I found few to zero literature on basic analysis methods. In my context we frequently use level-1...

17 February 2021 9,378 5 View

What are the available keys and descriptions for the identification of lice and fleas in domesticated animals?

I am an undergraduate student at the University of Peradeniya Sri Lanka, currently working on ecto-parasites in domesticated animals. I found difficulties in the identification due to a lack of a...

15 February 2021 277 1 View

Rohit Manilal Parikh

For any students if he is undergoing , it becomes the duty of parents for any member of the family to find out the worries & anxiety of their boys /girls . With this for anxiety in the classroom it is likely that students may have worries & tension for the problems for which they keep their silence behaviour in this line it becomes also the duty of teachers to view & study the problem of the behavior for the students .

This is my personal opinion .

Victoria Sethunya

Rohit Manilal Parikh Thank you for your insight. You raise important issues.

Suraj Kapoor

Patient listening , addressing their queries , motivation