In hoover and milich’s study (1994), mothers who (erroneously) believed that their children had ingested sugar

a. described them as "sweeter" than did mothers of children in the control condition

b. rated them as happier and calmer than did mothers of children in the control condition

c. were more critical of their children and rated them as more hyperactive than did mothers of children in the control condition

d. did not notice any change in their children’s behavior

The correct option is C. In Hoover and Milich’s study (1994), mothers who (erroneously) believed that their children had ingested sugar were more critical of their children and rated them as more hyperactive than did mothers of children in the control condition.

Explanation:

Hoover and Malich made a study for testing the hypothesis that said that negative effect of sugar in children was due to their parental concerns. To test this hypothesis, Hoover and Milich designed an experiment in which they gave each child a placebo but told the experimental group of mothers that they had given their children high doses of sugar. The controlled group mothers were told that their child had received a placebo. Results of this experiment showed that the mothers from the experimental group complained their children to be hyperactive due to sugar doses when in actual no sugar was given to them.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.