Check for Homogeneity of Variance When Using ANOVA in SPSS

Check for homogeneity of variance when conducting ANOVA. http://www.scalelive.com/homogeneity-of-variance-and-anova.html #statistics #anova #research #science #tutorial

What sampling methods should I use in my research?

Use sampling methods like probability sampling or non-probability sampling. http://www.scalelive.com/sampling-methods.html
#research#science #tutorial #sampling

The Relationship Between Effect Size and Statistical Power

The magnitude and variance of an effect size greatly affects statistical power. http://www.scalelive.com/statistical-power-and-effect-size.… #statistics #research #science #tutorial

Assess Linearity When Using Regression

Linearity is a statistical assumption of regression. http://www.scalelive.com/linearity.html
#statistics #research #science #tutorial #spss

Random Selection and Experimental Research Designs

Random assignment is used in experimental designs to yield causal effects. http://www.scalelive.com/random-assignment.html

#research #science #medicine #tutorial #experiment

Calculate Sensitivity of a Diagnostic Test

Sensitivity is the ability of a diagnostic test to detect disease. http://www.scalelive.com/sensitivity.html
#medicine #science #research #tutorial #diagnosis

Apply Screening Evidence

Apply screening evidence into clinical practice. http://www.scalelive.com/applying-screening-evidence.html #medicine #science #research #tutorial #ebm

Use Probability Sampling to Reduce Selection Bias

Probability sampling is used in experimental research designs. http://www.scalelive.com/probability-sampling.html #research #science #sampling #tutorial

How Should I Create a Survey?

There are six parts to any survey. http://www.scalelive.com/survey-parts.html
#survey #research #science #tutorial

Use and Interpret Poisson Regression in SPSS

Poisson regression is used with count outcomes where the mean is higher than the variance. http://www.scalelive.com/poisson-regression.html
#statistics #research #science #spss #tutorial

Use and Interpret Incremental Validity in SPSS

Incremental validity evidence shows that new and unique variance is accounted for by a measure. http://www.scalelive.com/incremental-validity.html
#validity #statistics #research #science #tutorial #spss #psychometrics

Establish Sensitivity and Specificity of Diagnostic Tests

Diagnostic testing provides evidence of a test's ability to diagnose disease and absence of disease. http://www.scalelive.com/diagnostic-testing.html
#medicine #science #research #diagnosis #tutorial

Calculate Sample Size for Repeated-Measures t-tests

Calculate the needed sample size for a repeated-measures t-test. http://www.scalelive.com/sample-size-for-repeated-measures-t-test.html  #statistics #research #science #tutorial

Conduct Mixed-Effects ANOVA in SPSS

Compare independent groups on how they change across time. http://www.scalelive.com/mixed-effects-anova.html #statistics #research#science #tutorial #spss

Define The Population Using PICO When Writing Research Questions

When writing research questions, define the population of interest with inclusion and exclusion criteria. http://www.scalelive.com/population.html #research #science #tutorial

Use Intraclass Correlation Coefficients (ICC) in SPSS

Use Intraclass Correlation Coefficient (ICC) to assess inter-rater reliability of performance ratings measured at a continuous level.http://www.scalelive.com/intraclass-correlation-coefficient
…#statistics#biostatistics #psychometrics #research #science #tutorial #spss

Run Between-Subjects Statistics For One Group In SPSS

Use Chi-square Goodness-of-fit, one-sample median test, and one-sample t-test in SPSS. http://www.scalelive.com/between-subjects-statistics-for-one-group.html
#statistics #spss #research #science #tutorial

Prospective Cohort Designs Yield Measures of Incidence and Risk

Prospective cohort designs can yield measures of incidence and relative risk. http://www.scalelive.com/prospective-cohort.html
#research #science #medicine #tutorial

Assess Homogeneity of Variance In SPSS

In applied statistics, homogeneity of variance must be met before running t-tests and ANOVA. http://www.scalelive.com/homogeneity-of-variance.html #statistics #biostatistics #research #science #spss #tutorial

Conduct One-Sample t-tests in SPSS

Compare an expected or hypothesized mean in a population to the observed mean using one-sample t-tests. http://www.scalelive.com/one-sample-t-test.html
#statistics #biostatistics #research #science #spss #tutorial