Social psychology is the scientific study of how people's thoughts, feelings, and behaviors are influenced by the actual, imagined, or implied presence of others. In this definition, scientific refers to the empirical investigation using the scientific method.
Army - Sergeant Major of the Army (U.S.) On 16 June 1999, Army Chief of Staff Gen. Dennis J. Reimer officially unveiled and presented the Sergeant Major of the Army Flag to the residing Sgt. Maj. of the Army, Robert E. Hall. The flag, designed by the U.S. Army Institute of Heraldry, was taken from the insignia created in 1966 to distinguish the SMA rank. The flag background is divided diagonally from the upper fly to lower hoist, in scarlet and white, with scarlet uppermost.
Credit: robinzeggs Flickr CC-BY-2.0. The first U.S. flag commissioned by Congress in 1777 had 13 stripes to represent the 13 states in the union. The flag also contained 13 stars on a blue field, again representing the states. As the nation grew, a new star and a new stripe were added for each new state. This continued until 1818.