What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

What are some common oxidants used to oxidize iron sulfur clusters in proteins for techniques like EPR?

I have used potassium ferricyanide (which is likely the most common) extensively in the past, but I am curious to know if there are other oxidants that work well. I need to generate the oxidized...

29 January 2021 9,803 4 View

What species (or genus even) of crab is this (bivalve using hermit type)?

Two weeks ago I found a peculiar crab in the intertidal zone in SW Florida. when found, the crab was not utilizing a shell. It was similar shaped to porcelain crabs found in our area, but with...

17 January 2021 1,620 4 View

How to extract the time interval between different species visits from camera traps?

How can I use R to extract the time interval between visits of different species from camera trap images? For example, Species A arrives at 07:00 (6 photos, each 1 min apart) Species B arrives at...

14 July 2020 3,155 5 View

In an SDS-PAGE is it necessary to include a sample sample buffer and a protein MW standard?

I am trying to run an SDS-PAGE gel to find a apolipoproteinB-100 which is 550kDa. I found a few papers that referenced Laemmli's SDS-PAGE protocol and it says that the protein sample, the sample...

12 June 2018 3,367 3 View

Is there a general coordinate invariant proof of the divergence theorem using tensor framework?

Does anyone know of a valid reference highlighting the proof of the divergence theorem in a strictly coordinate invariant tensor framework? Kellogg is probably the most frequently sited source,...

17 November 2017 7,230 3 View

Multiple imputation error "no missing values to impute" using SPSS

12 July 2017 5,650 5 View

How do I separate fibroblast feeder layer cells from co-cultured adherent tumor cells?

What standard techniques are used to separate cancer cell line cells from fibroblast feeder layer cells after they have been grown in co-culture?

23 September 2015 4,931 7 View

What is the best method to detect c-peptide levels in D. melanogaster larvae?

13 September 2014 6,598 1 View

Is this an ANOVA or Chi-Square problem?

I am an exhausted grad student working on a thesis, who has obviously worked her brain to the point of idiocy and I can't decide if this is a chi-square or ANOVA worthy problem... I hope that the...

16 April 2014 6,288 12 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View