Swati Mukherjee and Updesh Kumar
4
Psychology during the World Wars
The primary role of psychology in the military is to support and assist the armed forces in achieving
their goals by ensuring tness of selection, capability building through training and sustained
mental tness for eective operation under varied circumstances. And in this vein, beginning
from the days of the First World War, military psychologists have been consistently working in
tandem with the militaries of the countries on both sides of the Atlantic, although some of the
authors reviewing the development of the discipline are of the opinion that psychology had a
very limited scope in the military in the early years of the twentieth century. Reviewing the role
psychologists played during the Great War (1914–1918), Shephard (2015), for example, says that
the military scarcely knew about psychology, especially in Britain. Providing a succinct account
of contributions of psychology to the war eort during the First World War, Shephard (2015)
says that in Britain the role of civilian psychologists was limited mostly to treating ‘shell-shocked’
soldiers in military hospitals, drawing on their medical expertise and experience. Dr.Charles
Meyers, for example, was appointed the Consultant Psychologist to the rst Royal Army Medical
Corps, and established mental health hospitals in tents behind the enemy lines in France. It was
only in the later years of the war that some of these pioneering psychologists (e.g. Myers, Rivers,
Spearman) could nd some more signicant and relevant applications of psychology in various
branches of the military. No attempt, however, was made to apply psychology to the testing of
military recruits (Shephard, 2015, P. 944). At the same time, psychologists in Europe had a better
say in military matters. Shephard (2015) describes how Wilhelm Wundt, among other prominent
cultural and academic gures, supported the German army’s stance against Belgium. Many of
those involved in war were students of Wundt, due to which greater relevance was accorded
to psychology in the war eorts on both shores of the Atlantic. Germany was a pioneer in
establishing the discipline of psychology, and the German military benetted from the industrial
expertise gained by psychologists in the pre-war years. As a result, Germany started using aptitude
tests for the selection of pilots, truck drivers, radio operators and other specialists as early as 1915.
Psychologists performed many specied tasks for the German military, which did not have
any long-term impact on the discipline – for example, a ‘listening device’ developed by Max
Wertheimer for locating enemy artillery. On the other hand, certain explorations by psychologists
while serving in uniform laid the foundations of later research in the elds of leadership, combat
motivation, fatalism among soldiers and the like. Psychologists can be credited with making
the German war eort ‘more scientic, rational and modern’ (Shephard, 2015, P. 945), and for
demonstrating to the state the practical usefulness and applicability of the discipline, resulting in
the creation of new positions of psychology in technology institutes and commercial academies
(Geuter, 1992). Akin to Britain, France too had minimal involvement of psychologists in the war
eort, wherein they devised some psycho-physical measurements of heart rate and respiration of
machine gunners, but none of these countries employed large-scale military testing.
On the other side of the Atlantic, as the United States of America entered the war in the
year 1917, psychologists with industry experience found useful employment in the military.
The contributions of Walter Dill Scott and Robert M. Yerkes are remarkable in this era of
early development of psychology in the military. By the end of the war, the Committee on the
Classication of Personnel in the Army, which tested men for their aptitude in various elds of
the military using Scott’s techniques, had interviewed and classied thousands of men. Yerkes
was a pioneer in initiating a more formal association of psychology with the military, and, along
with Terman, Goddard and a few others, is credited with the development of Army General
Classication Tests (Army Alpha and Army Beta), measures that allowed for testing of large
samples simultaneously. Reviewing the status of military psychology, Melton (1957) remarks that