After running Chi-square test for comparison between 5 groups, is there a method of checking which groups differ significantly?

Chi-square is significant. I know that there is an effect of experimental manipulation. But how can I check which groups between A, B, C, E and D differ? I would like to know the difference...

09 October 2018 6,809 2 View

How to score the responses in 'The International Physical Activity Questionnaire '?

A and C

04 May 2017 5,648 0 View

I would like to ask if anyone has any information for papers/data on the validity and reliability In Arab countries?

01 February 2017 7,627 0 View

How to measurement physical activity and food frequency questionnaire among children and adolescents ?

Age 12 -18 FFQ GPAQ AQPAQ C

11 December 2016 5,014 9 View

How to measurement physical activity and food frequency questionnaire among children and adolescents ?

Age 11-18 Students Arab

11 December 2016 2,659 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

RIA. How to measure?

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

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

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

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View

Could the "incoming radiation (net radiation)" values be negative?

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

Hi all, My research questionnaire has 3 sections each having a mix of yes/no and multiple choice questions. How can I test its reliability ?

The sections are about awareness, practice, and perception regarding waste management. Thanks

20 February 2021 5,722 3 View

Can I follow Researchers from Teaching and testing areas?

I want Researchers from Educational Measurement and Evaluation, relating to teaching, learning , academic performance and test validation

18 February 2021 4,757 13 View

Is there research limitation on the relationships between digital capabilities, market orientation, brand perception and business performance?

I am looking for supporting studies discussing literature limitations on the relationships between digital capabilities, market orientation, brand perception and business performance. Also, a...

14 February 2021 7,457 5 View