Plants grow naturally towards the strongest source of light, this is called phototropism. They do this in order to maximise their exposure to the sun and increase the amount of photosysnthesis (and therefore growth). This is a survival mechansim.
researcher will either use random assignment or matching What do random assignment and matching have in common? They are both designed to create equivalent groups of participants. Random assignment is to random selection as _____ is to _____
Group matching If you wanted to ensure that the experimental and control groups were equivalent on some criteria (ex. IQ scores, sex, age) one could use group matching If one wanted to group match for sex, one would first divide the sample into males and females and then randomly assign half of each group to each condition Group matching would not result in the same number of males and females within each of the groups 40.