According to standard convention, a researcher must be percent sure that the difference she observed between experimental conditions was not simply the result of chance in order to conclude that the difference is statistically significant.

Answer – 95 percent

As stipulated by standard convention, a researcher must have at least a 95 percent assurance that the difference which was observed by her between experimental conditions was not merely coincidental in order to justifiably conclude that the difference she observed has statistical significance.

answer; triadic reciprocal determinism;