) does not mean there is no effect; it might just mean your study was too small to find it.
Conduct a before your study to ensure your sample size is large enough. Wise Use of Null Hypothesis Tests: A Practition...
Always report (e.g., Cohen’s d or Pearson’s r) to show the magnitude of the finding. 2. Stop the "P-Hacking" ) does not mean there is no effect;