Many of the movement conservatives of the new religious right gained political effectiveness by imitating the methods of

b. the 1960s New Left.

Explanation:

Many of the movement conservatives of the new religious right gained political effectiveness by imitating the methods of the 1960s New Left.

The New Left was a political movement in the 1960s and 1970s consisting of activists in the Western world who campaigned for a broad range of social issues such as civil and political rights, feminism, gay rights, abortion rights, gender roles and drug policy reforms.

this null effect is caused by a weak manipulation and ineffective internal validity. in a scientific study, as the one dr. morimoto is trying to perfom, internal validity refers to the confidence placed in the cause-effect relationship and to how well an experiment is done and able to eliminate confounding variables.