METHODS
The research design applied to this research is a case study, as a case
study is more appropriate if the main question of the research related
to how and why, if the research only has little possibility to control
events that will be investigated and research focuses on contemporary
phenomenon. Case study applied to this research is categorized into
explanatory type, this is used to test available, explain, or expand the
theories. Therefore, the case study applied to this research pay
attention to the theory, in which a case study that facilitates
derivative theory (Willig, 2008; Yin, 2015).
Participants that involved in this research are those who have
experienced possession disorder twice. This possession disorder is a
categorized as a disorder that is meant ICD 10 and DSM 5 (American
Psychiatric Association, 2013). All participants have obtained informed
consent and expressed their willingness to become participants. This
study also received approval from the Research Ethics Committee of the
Faculty of Psychology, Gadjah Mada University No. 4204/SD/PL.03.01/XI/
2017
Possession disorder assessment that has been experienced by the
participants conducted by a researcher who practices as clinical
psychologist and has received consideration either from the Promoter or
Co- promoter to decide whether the participants are appropriate or not.
The researcher chooses Java and outside Java as the research location.
The consideration choosing those different locations is to obtain a wide
picture about different culture optimally so it can attain the
generality of research result.
Data collection method applying semi structured interview and completing
sentence test. Semi structured interview has an advantage that
facilitates rapport / empathy, give bigger chance of flexibility,
therefore it can be reached and it is possible to interview entering new
location, it tends to produce more datum (Willig, 2008).
A test used in this research is sentence completion that works based on
projective technique, variation from free association method previously
developed by Jung (sacks and Levy, 1950). Consistently survey finds
completion sentence test is general test used as a personality
assessment instrument, especially for favorite variable (Holaday, Smith,
& Sherry, 2000; Sherry, Dahlen, & Holaday, 2004).Sentence completion
tests used is Sack Sentence completion test (SSCT) (Bastaman, tt; Sacks
& Levy, 1950).