i am working in research my objective describe the level of mental ability.
My experiment includes two groups and two conditions, and I would like to compare between groups and conditions. To do so, I created a study design, uploaded the data sets and could make a...
09 October 2018 3,246 4 View
01 February 2016 3,083 3 View
Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...
03 March 2021 5,978 5 View
Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...
01 March 2021 2,512 1 View
When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...
28 February 2021 2,133 3 View
I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...
28 February 2021 4,890 3 View
I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...
27 February 2021 8,483 3 View
If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...
26 February 2021 3,526 3 View
As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...
26 February 2021 6,905 10 View
25 February 2021 1,987 3 View
Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?
21 February 2021 7,726 9 View
I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation
18 February 2021 4,757 13 View