How to perform Partitioning of variance to define the role of factors on insect development?

I have performed the experiment where I fed green tomato fruits (natural host) to the Helicoverpa armigera under six different alternating temperatures as treatments viz. 25:10, 25:13, 25:16,...

10 November 2018 647 2 View

Which is most preferred for calculating variances and standard error of life table parameters at different treatments? Bootstrap or jacknife?

Recently, I have analysed my results of life table parameters of an insect using jacknife procedure. I have also come across papers analysing same results using bootstrap. I want to know which...

07 August 2018 6,772 3 View

Is it right to mention transformed values of data, if the data has been analysed using Tukey's HSD post hoc?

I have analysed per cent survival data of an insect and also find out its arc sine transformed values. Is it appropriate to mention these values if I have analysed my data using Tukey's HSD post hoc?

06 July 2018 8,934 3 View

Can anyone identify pollen types?

I collected pollen loads from Apis mellifera using pollen traps during Jan-Feb in North India. Slides were made from pollen loads for mellissopalynological analysis. Kindly help in identification...

04 May 2018 8,196 0 View

How to get equation for 3D scatter curve in spss?

I have worked upon impact of alternating temperature which is diurnal and nocturnal temperature on insect. I found that I can plot 3D scatter curve but how to get its equation in spss 23 version...

02 March 2018 3,264 1 View

What is temperature pattern in incubators-Sine?, Ramp?, Square?

I carried out an experiment related to impact of alternating temperature on growth of Helicoverpa armigera insect under growth chamber by changing the temperature after 14 and 10 hrs. Whether...

01 February 2018 7,118 2 View

How does weight gain by caterpillars related to temperature?

With increase in instar level of caterpillars , caterpillar gain weight. Is their any relationship which suggest that insect gain weight or lose weight with increase or decrease in temperature

08 September 2016 6,182 5 View

Which insecticide or fumigant is used during fogging operations by municipal corporations in India against mosquito menace?

Time and again I have been reading about spike in dengue and chikunguniya cases and measures taken by municipal authorities in the form of fogging for controlling responsible factor like mosquito....

08 September 2016 4,335 5 View

How to identify live male and female of Diaphorina citri?

I am conducting a study on biology of Diaphorina citri in order to know average female fecundity. In order to do it I have to release one male and female pair. Problem for me is that it is very...

08 September 2016 8,626 5 View

Why 100 per cent sterilization is not reported in lepidopterous insects by using sterile insect technique?

08 September 2016 7,965 14 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 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

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

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