The average family size today is __________ persons per household

Which of the following is NOT a characteristic of a good hypothesis?

A. It can be tested using empirical methods. B. It is an if-then statement. C. It is complex. D. It is falsifiable.

In the study by Newell and associates (1989) of the effects of using various sizes of objects with preschool-age and adult subjects, it was found that

A. no differences existed between groups B. females at both age levels outperformed males C. adults used one hand 60 percent of the time, while children used one hand 38 percent of the time, with . object-to-hand-size ratio being a significant factor D the younger subjects demonstrated slightly more use of the right hand, indicating that hand dominance . is firmly established by age 4