How to treat percentage changes as DV's in a multiple regression?

I have a dependent variable that is essentially percent changes from a previous period. Since the data could range between negative and positive values, I am looking at ways that would best treat...

04 May 2018 6,980 3 View

How to treat multiple choice and carry forward data as IV's for a regression model?

I have a list of 15 traits that subjects can ascribe to a topic. The selected traits then get carried forward to a scale where they rate the perceived strength of each trait. The selected traits...

11 December 2017 7,173 3 View

How to determine what percentage or proportion of customer survey response scores are probably due to self-selection bias?

I have two sets of surveys, one of which is from a random probability sample. The other, in which participants self-selected has unusually high scores across the measures. Is there a way to take...

10 November 2017 2,031 2 View

How to ensure validity while using Amazon Mturk for data collection?

What can be done on the research design and questionnaire?

31 December 2016 7,461 3 View

What to do when review of literature does not provide exact constructs, but very similar and closely related ones?

07 August 2016 1,060 1 View

Reflective Constructs: How should a non-normal personality inventory data need to be treated for regression?

Beginner Researcher Here: I am using the 10-Item Personality Inventory (Gosling, Rentfrow, & Swann, 2003) that measures the Big-5 traits . My preliminary analysis reveal that the data is not...

01 January 1970 8,187 5 View

How to use Big-Five Personality data for regression analysis?

01 January 1970 2,195 3 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

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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View