Research by landers and his colleagues, using biofeedback techniques to train elite marksmen to shoot between heartbeats, is a good example of a?

 Psycho-physiological orientation

Explanation:

Psycho-physiological orientation is the method that depicts about the relationship or link between mental and the physiological operations that are part of the sport psychology to influence the physical activities.This approach is implemented on the rate of heart beat, muscle activity, etc.

According to the question, psycho-physiological orientation is being displayed through the experiment carried out by the Lander and his team.As they are using biological-feedback system for instructing the shooter in the range of heartbeat therefore, concept of psychology and mind is used to impact his shooting actions.

good question. i'll be looking into that. (this is a joke sir)

answer; ratification;