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Ghost hunting is a leisure activity for amateur researchers. The fascination with the supernatural is a driving force behind them using technical equipment to visit allegedly haunted buildings or ruins at weekends and carry out so-called “paranormal investigations.” The data collected with various measuring devices is examined for anomalies that are not compatible with conventional explanations and compared with subjective perceptions. This article consists of two parts. The first part provides a brief overview of the history of haunting investigations. Furthermore, some social and cultural studies on the current form of ghost hunting as it appears in the 21st century in the USA, Great Britain and Germany are presented. In the second part, co-author Sonja Nowara, an active ghosthunter, offers an insight into the activities of ghosthunters as well as observations of the scene from the perspective of a well-informed insider, taking into account more recent developments such as the increasing commercialization of some parts of the scene.

We have investigated sleep paralysis (SP) with an online questionnaire. Our sample consisted of 380 participants who experienced at least one SP. In this paper, we present those parts of the investigation that concern the relationship of SP to extraordinary experiences, paranormal beliefs, and absorption. For this purpose, we used a self-developed German questionnaire on SP experiences, a German questionnaire Fragebogen zur Phänomenologie außergewöhnlicher Erfahrungen (PAGE-R-II), to assess the extent to which people with SP have had other extraordinary experiences, a German translation of the Belief in the Supernatural Scale (BitSS), and a German version of the Tellegen Absorption Scale (TAS). Our hypotheses regarding a positive correlation between the frequency of SP and certain forms of extraordinary experiences as well as paranormal/supernatural beliefs and absorption were only partially confirmed. We found an expected significant correlation between the frequency of SP and the expression on the PAGE dimensions “Dissociation” and “Externality”, but not between the frequency and the other two mentioned scales “Coincidence” and “Internality”. 55 % of participants reported having paranormal experiences during SP. This group had highly significant higher mean scores on the three scales PAGE, BitSS and TAS. Furthermore, the exploratory part revealed interesting correlations between the applied scales and specific hallucinatory perceptions and emotions, which leads us to the assumption that two main types of experiencing SP may exist: one mainly connected with typical negative emotions and a more external focus of experience, and another one, which is more likely accompanied also by positive emotions and by more internally experienced perceptions. This assumption requires further investigations.

We investigated sleep paralysis (SP) with an online questionnaire. Our sample consisted of 380 participants who experienced at least one SP. In this paper, we present the relation of SP to extraordinary experiences, paranormal beliefs, and absorption. We used a German questionnaire, Fragebogen zur Phänomenologie außergewöhnlicher Erfahrungen (PAGE-R-II), to assess the extent to which people with SP have had other extraordinary experiences, a German translation of the Belief in the Supernatural Scale (BitSS), and a German version of the Tellegen Absorption Scale (TAS). Our hypotheses regarding a positive correlation between the frequency of SP and certain forms of extraordinary experiences, paranomal/ supernatural beliefs, and absorption were only partially confirmed. We found an expected significant correlation between the frequency of SP and the expression on the PAGE dimensions “Dissociation” and “External,” but not between SP frequency and the other scales. The group (55%) reporting paranormal experiences during SP had highly significant higher mean scores on the PAGE, BitSS, and TAS. There were also significant correlations between the applied scales and specific hallucinatory perceptions and emotions, which leads us to believe that two main types of experiencing SP may exist: one mainly connected with typical negative emotions and a more external focus of experience, and another characterized by positive emotions and more internally experienced perceptions. This hypothesis requires further investigations.

In 1991, the Parapsychology Foundation organized an international conference on the topic "Women and Parapsychology," held in Dublin, Ireland. The survey aimed for an assessment of the situation in parapsychology 30 years after this conference. Our team asked women active in the research field of parapsychology and related areas about their scientific careers, authoring articles, contributions to the field and gender-specific experiences. We distributed the link to the extensive online questionnaire on several e-mail lists and websites and also sent the link specifically to individuals. 30 women completed the questionnaire. We got a selective, non-representative sample, with a high average age and level of education. Due to these limitations, the survey did not provide complete clarity as to whether parapsychology differed from other disciplines with regard to the status and situation of women. Several aspects are comparable to the situation of women in other research fields. As is generally the case in academia, women tend to be paid less. They have to make greater efforts to be taken seriously by male colleagues, which can slow down their careers, in addition to career interruptions due to raising children, greater difficulties balancing work and family life, and the like. We found a relatively low proportion (10%) of women who reported sexual intimidation or harassment in the field of parapsychology. General funding problems in parapsychology are even greater for women because of the additional childrearing responsibilities and less institutionalized research. Some findings lead us to the thesis that it is not necessarily the gender aspect that is responsible for rude and inappropriate behavior on the part of male colleagues, but rather a tendentially greater openness on the part of female researchers for worldviews and heterodox research subjects outside of the scientific mainstream. This thesis must be validated in further studies.

We present some key findings from an online survey on isolated sleep paralysis. The aim of our study was to get a differentiated picture of the correlation between the frequency of sleep paralysis and several phenomena (symptoms, experiences) as well as factors correlated with these phenomena. We also investigated the role of gender in relation to the experience of sleep paralysis. We used a selected sample of subjects who had had at least one sleep paralysis experience, with a total of 380 subjects. On average, the participants experienced 10–20 sleep paralysis episodes. We found high and expected positive correlations between the frequency of sleep paralysis experiences and the amount of phenomena, emotions, and perceived shapes and forms experienced during sleep paralysis. An increased frequency of sleep paralysis also appears to lead to habituation and de-dramatization in some affected individuals. Interestingly, significant correlations are missing where one would have suspected them based on the previous hypotheses. Neither self-perceived general stress nor poor sleep hygiene appeared to influence the frequency of sleep paralysis. We found highly significant gender differences in some items. Women reported more experienced phenomena and emotions overall, had more frequent sleep paralysis experiences of the intruder and incubus type, and were significantly more likely to perceive concrete forms such as human figures or people they know. They were also more likely than men to report experiencing fearful emotions, especially the fear of going crazy. Most of these findings were based on exploratory questions; they require replication for validation.

Abstract. Some German hunters came up with pictures taken from a wildlife camera and showing a strange humanoid-like object of about 10 cm size. Its puzzling appearance and a remarkable absence of wildlife in that area after its occurrence triggered paranormal explanations. After reexamination of the pictures, we found a more plausible conventional explanation. This case study serves as an interesting real-world example for the constructive nature of human perception. We discuss how the perceptual system uses spatial and temporal/memory factors to disambiguate ambiguous and restricted sensory information. Keywords: visual perception, perceptual construction, ambiguity