Longtindual Study Psychology

The claim being tested is personality and drug use from a longtitundal study. The participants in the study were one hundred and one eighteen year olds. Forty nine were males and fifty two females they were part of a group that were first studied at three years old. Independent variable of the study male and females. Dependent variable puzzle, shapes, personality cards and CQ. One of the nursey schools were completing a recruitment of participants for a longtindual study. The group of kids lived in an urban setting and parent’s education varied. The assessment age ranged from three, four, five, eleven, fourteen and eighteen. The participants had an interview about their life and drug use. The interview was videotaped and lasted four hours. …show more content…
All psychologists used the Q-sort technique. The scales averaged to give a final score for that individual. The CQ ratings of the psychologists were similar. The inter-rater ranged from seventy percent to ninety. This level suggest that the personality measures were valid. For the longtintudal comparison the CQ personality rating score was compared with scores from the kids back when they were seven and eleven. The Q-sort were conducted by different psychologist which would prevent bias. At age seven three psychologists completed the CCQ. The CQ results of the eighteen year olds were reliable. When participants were five years old they were observed in a play session with each parent. Observation was through a one way mirror and videotaped. Participants were given puzzles, shapes and paper mazes. Another Q-sort was used descriptions of the way parents interacted with their child. Out of the eighteen year olds sixty eight percent tried marijuana and increased fifty one percent at the age fourteen. Thirty nine percent used it once a month or more. Twenty percent used it weekly or more than weekly. The participants were broken into three groups’ abstainer, experimenter and frequent majruana