Can you have a negative effect size?
How do I Interpret a Negative t Test or a Negative Effect Size?
P value versus effect size
Calculating Effect Size (Cohen's d) for a One-Sample T Test
The Secret Trick to Calculate Cohen’s d in SPSS – It Can Be Done (11-9)
Mann-Whitney U - Effect Size (SPSS)
Statistical Significance, Effect Size, Error
Since Mass Exists, Can There Be Negative Mass?
Homeostasis and Negative/Positive Feedback
Negative digital media effects
SPSS - Cohen's d for independent samples t-test
How to calculate Cohen d effect size
What causes hard navel area & twitching with negative pregnancy test? - Dr. Punyavathi C. Nagaraj
p-Value (Statistics made simple)
Effect Size for the One Sample t Test
Automatic Negative Thoughts - Meet the ANT Buddies!
Talking about effect sizes with your statistician
Hypothesis Results - Negative is not Null or Insignificant
How to Calculate the Effect Size for the Independent Samples t Test
Indirect Effect Size v-squared