Read these four (4) peer-reviewed research papers.

"In identifying the source of the incongruent effect: Whether it is from the fearful face-happy body or happy face-fearful body compounds" by Chen et al. (2022)

"Adults' perceptions of child maltreatment allegations: The influence of autism spectrum disorder diagnosis, parental coaching, accuracy of children's autobiographical recall and expert witness testimony" by Krakow (2021)

"A comparison of the effects of sudden gains and depression spikes on short- and long-term depressive symptoms in a randomized controlled trial of behavioral activation and cognitive behavioural therapy" by O'Mahen et al. (2021)

"Probabilistic Reinforcement Learning Abnormalities and Their Correlates in Adolescent Bipolar Disorders" by Urosevic et al. (2018)

Provide interpretations of the data found in these papers.

Describe what type-I and type-II errors are.

Assess whether each paper erred on the side of type-I or type-II error based on the experimental design and statistical analysis.