Answer:
insufficient strength of the manipulation
Explanation:
The non-significant results may have occurred because of insufficient strength of the manipulation. Since the variable being tested in this scenario had a very slight difference it caused insignificant results. The variable in the study (light bulb) needs to be drastically different in order for it to have an effect on the subjects and provide results that differ. The 100-watt and 125-light bulb provide almost the same luminosity levels.
<em>African slavery was introduced to the Americans early on because of the needs of the country for laborers (for their farms). During these times, countries like France and Great Britain are in the country running different plantations. Americans are fighting them off, and some who they got caught in the warring times and some Africans whom they kidnapped from their homes were pushed to work for them in exchange for foods and accommodations. African slavery started in the 17th centuries and ended in 1863 when Abraham Lincoln made a proclamation of freeing all slaves in United States.</em>
The correct answer is Thorndike, Skinner and Bandura.
Believers in manifest destiny characterized the war <span>as a war of aggression,,</span>
