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. 2023 Dec 19;12(1):3. doi: 10.3390/healthcare12010003

Table 3.

Moderator variables and their impact on self-affirmation interventions.

Moderator R2 β Effect
Sample characteristics
Cultural origin
  “Other” (Caucasian, European, or Asian) 7.07% β = −0.21, z = −3.87, p < 0.001 (−)
Age Ranges (ARs)
  11–14 years old (AR1) 5.66% β = −0.22, z = −3.45, p < 0.001 (−)
  18–23 years old (AR3) 7.42% β = 0.24, z = 3.98, p < 0.001 (+)
Sample Size
  Small sample (n > 500 students) 7.72% β = 0.28, z = 4.04, p < 0.001 (+)
  Large sample (n < 500 students) 7.72% β = −0.28, z = −4.04, p < 0.001 (−)
Dominant Group in the Sample
  American, European, or Asian (Caucasian) 6.22% β = −0.20, z = −3.59, p < 0.001 (−)
  African American, Latino, or ethnic minority 7.07% β = −0.18, z = −2.25, p < 0.05 (−)
Design characteristics
Execution modality
  Face-to-face 5.26% β = 0.26, z = 3.28, p < 0.05 (+)
  Virtual 2.29% β = −0.13, z = −2.14, p < 0.05 (−)
Rigor of Randomization
  Use of software 4.33% β = −0.25, z = −2.97, p < 0.05 (−)
  Does not use software 3.52% β = 0.19, z = 2.66, p < 0.05 (+)
Dependent Variables
  Psychological (DV1) 12.08% β = 0.28, z = 5.19, p < 0.001 (+)
  Academic performance (DV3) 6.29% β = −0.20, z = 3.59, p < 0.001 (−)
Self-affirmation intervention style
  Classical intervention (based on important values) 7.87% β = −0.27, z = −4.06, p < 0.001 (−)
Timing of Intervention
  Before stressful academic event 7.79% β = −0.22, z = −4.04, p < 0.001 (−)
  During stressful academic events 3.70% β = −0.23, z = −2.81, p < 0.05 (−)
Teacher role
  Active 4.63% β = −0.20, z = −3.10, p < 0.05 (−)

Abbreviations of the results: Indicator of improvement in the dependent variable (+), indicator of decrease in the dependent variable (−).