Ralph C. A. Rippe

ORCID: 0000-0002-0812-0387
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About
Contact & Profiles
Research Areas
  • Child and Adolescent Psychosocial and Emotional Development
  • Child Abuse and Trauma
  • Infant Development and Preterm Care
  • Family and Disability Support Research
  • Autism Spectrum Disorder Research
  • Pain Management and Placebo Effect
  • Gene expression and cancer classification
  • Intimate Partner and Family Violence
  • Attachment and Relationship Dynamics
  • Maternal Mental Health During Pregnancy and Postpartum
  • Bullying, Victimization, and Aggression
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Child Welfare and Adoption
  • Dermatology and Skin Diseases
  • Obesity, Physical Activity, Diet
  • Genomic variations and chromosomal abnormalities
  • Child Nutrition and Feeding Issues
  • Design Education and Practice
  • Infant Health and Development
  • Empathy and Medical Education
  • Innovative Teaching and Learning Methods
  • Evolutionary Psychology and Human Behavior
  • Stress Responses and Cortisol
  • Eating Disorders and Behaviors
  • Behavioral Health and Interventions

Leiden University
2016-2025

Brinker Technology (United Kingdom)
2024

Verwey Jonker Institute
2024

University of Cambridge
2020

Life Cycle Engineering (United States)
2019

PolicyWise for Children & Families
2015

Leiden University Medical Center
2012-2013

Missing data is a problem that occurs frequently in many scientific areas. The most sophisticated method for dealing with this multiple imputation. Contrary to other methods, like listwise deletion, does not throw away information, and partly repairs the of systematic dropout. Although from theoretical point view imputation considered be optimal method, applied researchers are reluctant use it because persistent misconceptions about method. Instead providing an(other) overview missing or...

10.1080/00223891.2018.1530680 article EN cc-by-nc-nd Journal of Personality Assessment 2019-01-18

In this study, it was hypothesized that collaborative learning in international higher education contributes to the development of intercultural competence. Two hundred fifty-two students an International Business and Management Study program a Dutch university participated two surveys on collaboration group-learning activity one survey their addition, three groups four six took part focus group interviews. The results indicated when perceive process improves, quality terms verbal...

10.1177/1028315319826226 article EN Journal of Studies in International Education 2019-02-02

Abstract Objectives Placebo effects can relieve acute and chronic pain in both research clinical treatments by learning mechanisms. However, the application of placebo‐based treatment strategies routine medical care is questioned. The current study investigated opinions patients with fibromyalgia healthy controls regarding placebo their practical applications. Method An online survey asked 158 age‐ sex‐matched adult (79 per group) to rate perceived influence various mechanisms on relief,...

10.1111/papr.70000 article EN cc-by Pain Practice 2025-01-27

Research and design activities are often employed in STEM (Science, Technology, Engineering & Mathematics) education. This study aims to examine students' attitudes towards doing research secondary school, among two groups of students: (1) students that take the quite recently introduced Dutch subject O&O (research design), which perform authentic projects related disciplines; (2) do not O&O. The is only taught at a limited number certified, so called 'Technasium', schools. A questionnaire,...

10.1080/09500693.2018.1494395 article EN International Journal of Science Education 2018-07-05

Abstract Research and design activities are important focus points in international policies for secondary Science, Technology, Engineering Mathematics (STEM) education. It is up to school teachers implement supervise these the STEM classroom. However, not much known about attitudes hold towards supervising research projects or projects. In this study, a questionnaire measure teacher was completed by 130 Dutch who taught relatively new subjects O&O (research design) NLT (nature, life,...

10.1007/s11165-019-9840-1 article EN cc-by Research in Science Education 2019-04-30

Envisioning one's (non)smoking future may make (un)desired identities more accessible, salient, and personally relevant facilitate smoking cessation. The current study assessed whether a future-self intervention can weaken smoker self-identity expected identity loss when quitting smoking, strengthen quitter- nonsmoker self-identity, while accounting for personal factors-socioeconomic position, nicotine dependence, consideration of consequences, clarity the envisioned future-self....

10.1016/j.socscimed.2023.115667 article EN cc-by-nc-nd Social Science & Medicine 2023-01-07

Copy number variations (CNV) and allelic imbalance in tumor tissue can show strong segmentation. Their graphical presentation be enhanced by appropriate smoothing. Existing signal scatterplot smoothers do not respect segmentation well. We present novel algorithms that use a penalty on the L(0) norm of differences neighboring values. Visualization is our main goal, but we compare classification performance to VEGA.

10.1371/journal.pone.0038230 article EN cc-by PLoS ONE 2012-06-05

Abstract Background Placebo effects on pain have been found to vary in size for different routes of medication administration (e.g. oral vs. injection). This has important implications both clinical research and practice. To enhance our understanding these differential placebo effects, the underlying expectations about multiple symptoms other than is vital. Methods A cross‐sectional, Internet‐based survey was conducted a representative sample Dutch population ( n = 508). Respondents rated...

10.1002/ejp.1163 article EN cc-by European Journal of Pain 2017-12-20

Abstract It has been shown that following exposure to mild perinatal adversity, children have greater susceptibility both the negative and positive aspects of their subsequent environment. In a large population‐based cohort study ( N = 1,776), we investigated whether adversity moderated association between maternal harsh parenting children's hair cortisol levels, biomarker chronic stress. Mild was defined as late preterm birth (gestational age at 34–37 weeks, 6 days) or small for gestational...

10.1002/dev.21497 article EN Developmental Psychobiology 2017-03-13

The current randomized controlled trial examined the effectiveness of Video-feedback Intervention to promote Positive Parenting and Sensitive Discipline in Foster Care (VIPP-FC) on parenting behavior attitudes foster parents (N = 60, 31–61 years, 83% female). intervention group (n 30) received VIPP-FC, consisting six sessions. During first four sessions, a specific theme from (VIPP-SD; e.g., attachment vs. exploration behavior), an additional care (e.g., subtle or missing signals) are...

10.1016/j.childyouth.2020.104779 article EN cc-by Children and Youth Services Review 2020-01-22

Previous research has linked higher levels of household chaos to parenting problems, but it is not clear whether actually causes problems.In this study, we used an experimental design in which were manipulated test the effect on caregiver sensitivity.As sensory-processing sensitivity been perception chaos, also tested a stronger participants with sensitivity.Ninety-six young adults (nonparents) visited our lab twice and took care infant simulator furnished like living room.In neutral...

10.1037/fam0000766 article EN Journal of Family Psychology 2020-06-25

Dimensions of religion contribute in different ways to the general protective effect religiosity and spirituality (R/S) against suicidality. Few studies have included a substantial number dimensions, even fewer follow-up, clarify stability contribution R/S over course psychopathology. In this follow-up study among 155 religiously affiliated in- outpatients with major depression, religious service attendance, frequency prayer, type God representation, moral objections suicide, social support...

10.3390/rel14040442 article EN cc-by Religions 2023-03-24

The current study investigated whether changes in the neural processing of faces infants with a facial abnormality – cleft lip mediate effects on judgments infant cuteness and approachability. Event-related potentials (ERPs) response to pictures healthy lip, ratings approachability these faces, were obtained from 30 females. Infants rated as less attractive (less cute approachable) than infants, both N170 P2 components ERP reduced amplitude lip. Importantly, decreased configural evidenced by...

10.1080/17470919.2017.1340336 article EN cc-by-nc-nd Social Neuroscience 2017-06-07

ABSTRACT Even though Parenting Capacity Assessments (PCAs) are essential for child protection services to support placement decisions maltreating families, presently no evidence‐based PCA protocols available. In this randomized controlled trial, we tested the quality of an attachment‐based protocol based on Video‐feedback Intervention promote Positive and Sensitive Discipline (VIPP‐SD). We recruited 56 parent‐child dyads ( M age children = 3.48 years) in Dutch family residential clinics that...

10.1002/imhj.21874 article EN cc-by Infant Mental Health Journal 2020-06-24

Despite the increasing knowledge about placebo effects and their beneficial impact on treatment outcomes, strategies that explicitly employ these mechanisms remain scarce. To benefit from effects, it is important to gain better understanding in how individuals want be informed (for example underlying steer effects). The main aim of this study was investigate information a general population sample by assessing current knowledge, preferences for different explanations (built around well-known...

10.1371/journal.pone.0247103 article EN cc-by PLoS ONE 2021-03-11
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