Ron is running an experiment to see if certain sounds can improve memory. while testing the subjects’ memory, ron unintentionally smiles when the subjects seem to be arriving at the proper answer. his smile the subject pick the correct answer. in this case, ron is showing

a. invalid experimental placebos.
b. experimental bias.
c. experiment effect.
d. informed consent.

B). Experimental bias.

Explanation:

As per the given situation, Ron is showing 'an experimental bias' as the conclusion of his experiment is biased towards the communication of his desired outcome intended by him. His smile reflects the 'bias' in his conclusion as 'it assists him to pick the correct answer'.

Ron in the given situation himself affects the outcome or observation of the argument as per his desired certain outcome. Such a situation reflects an inherent bias that is hard to avoid in order to propose an unbiased conclusion or outcome. Thus, option B 'experimental bias' is the correct answer.

local max is .5

step-by-step explanation:

the local maximum is for x values between 2 and 4

it looks like the x value is 2.5 and the y value is .5

. austria-hungary began seizing british colonies in africa.