=+1. As we saw in Chapter 1, experimenter bias – effects observed in experiments because of the expectations and behaviours of the experimenter – can be powerful and operate without the consciousness of either experimenters or participants. Of course, researchers can also influence their results by setting up experiments in ways that favour their hypotheses. Based on your reading here and, if possible, your reading of the original papers, to what extent do you think that each side may have obtained results they wanted’ to obtain? (Note: it is crucial to point out there