Continuous Outcomes Increase Statistical Power and Decrease The Needed Sample Size

Maximize statistical power by using continuous level outcomes. http://www.scalelive.com/statistical-power-and-continuous-outcomes.html … #statistics #science #research #tutorial

Use Transformations or Non-Parametric Statistics When Normality is Violated

Transform variables or use non-parametric statistics when the normality assumption is violated for independent samples t-test. http://www.scalelive.com/transformations-for-independent-sa…
#statistics

Use and Interpret Multiple Regression in SPSS

Multiple regression is used to predict for continuous outcomes in SPSS. http://www.scalelive.com/multiple-regression.html
#statistics #spss #tutorial

Use and Interpret Chi-square Goodness-of-fit in SPSS

Test observed versus expected proportions using Chi-square Goodness-of-fit in SPSS. http://www.scalelive.com/chi-square-goodness-of-fit.html

#statistics #spss #research #tutorial

Create A Survey In Eight Steps

Create a reliable and valid survey for your research question. http://www.scalelive.com/surveys.html
#survey #research #tutorial

Measure For Outcomes Using Ratio Level Variables in Applied Research

Ratio variables provide measures of both distance and magnitude due to the "true zero." http://www.scalelive.com/ratio-variables.html
#variable#measurement #tutorial #research #science

The Definition of Incidence

Incidence is the number of new cases in a population, moving forward in time. http://www.scalelive.com/incidence.html
#research #epidemiology#incidence #science #tutorial

Quasi-experimental Designs Can Yield Powerful Associations

Use quasi-experimental designs when random assignment is not feasible. http://www.scalelive.com/quasi-experimental-designs.html
#research#science #tutorial

Write Relevant Research Questions Using the FINER Framework

Relevant research questions make meaningful contributions to a body of literature. http://www.scalelive.com/relevant-research-questions.html
#research #FINER #science #tutorial

Download Free Excel Databases for Applied Statistical Tests

Download free databases that are structured for over 50 statistical tests. http://www.scalelive.com/databases.html
#statistics #database #spss#science #research #tutorial

Check for Sphericity When Using Repeated-Measures ANOVA

Always check for sphericity when using repeated-measures ANOVA in SPSS. http://www.scalelive.com/sphericity-and-repeated-measures-a…
#statistics #spss #anova #tutorial

Sample Size for Point Biserial Correlations

Use G*Power to run sample size calculations for point biserial correlations. http://www.scalelive.com/sample-size-for-point-biserial.html
#statistics#sampling #research #science #tutorial #gpower

Professional Statistician Can Help You With Your Dissertation or Thesis

Hire a statistician to help with your dissertation or thesis statistics! http://www.scalelive.com/store/p13/Statistical_Consultation_for_Students.html #statistician #dissertation #thesis #research #consultant

Use A Two-Sided Hypothesis For More Empirical Rigor

A two-sided hypothesis is considered more rigorous within hypothesis testing. http://www.scalelive.com/two-sided-hypothesis.html
#statistics#hypothesis #research #science #tutorial