0
We're unable to sign you in at this time. Please try again in a few minutes.
Retry
We were able to sign you in, but your subscription(s) could not be found. Please try again in a few minutes.
Retry
There may be a problem with your account. Please contact the AMA Service Center to resolve this issue.
Contact the AMA Service Center:
Telephone: 1 (800) 262-2350 or 1 (312) 670-7827  *   Email: subscriptions@jamanetwork.com
Error Message ......
Article |

On Necessary and Sufficient Conditions in Psychiatric Explanation

PAUL H. WENDER, MD
Arch Gen Psychiatry. 1967;16(1):41-47. doi:10.1001/archpsyc.1967.01730190043005.
Text Size: A A A
Published online

IT IS WIDELY, if not universally, accepted that psychological events are multidetermined; that there are no simple, unique explanations for most such events. In Psychological research, however, the investigation of several variables at once necessitates large numbers of subjects;* and for practical reasons it is common to explore one variable at a time.

Historical cross-sectional studies are common in psychological and epidemiological research. Generally they seek to determine the frequency of occurrence of some crucial event or class of events in the histories of individuals in a particular pathological population in comparison with their frequency in a "normal" population.† Typical examples are: (1) the incidence of psychopathology in the mothers of schizophrenics, (2) the incidence of early parental death in the histories of depressive patients, and (3) the incidence of early illness or trauma in the histories of childhood schizophrenics. The inference

Topics

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

First Page Preview

View Large
First page PDF preview

Figures

Tables

References

Correspondence

CME
Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Submit a Comment

Multimedia

Some tools below are only available to our subscribers or users with an online account.

Sign in

Create a free personal account to sign up for alerts, share articles, and more.

Purchase Options

• Buy this article
• Subscribe to the journal

Related Content

Customize your page view by dragging & repositioning the boxes below.

Jobs
brightcove.createExperiences();