Lifespan Chapter 1 Practice

Many companies require employees to retire at the age of 65. This policy is an example of

age norms.

In the 19th century, scholars began to systematically record the growth and development of their own children. The published form of the observations were known as

baby biographies.

Albert, a developmental psychologist, conducts research on children's emotional reactions to studying math in school. Albert is concerned with children's ____ development.

psychosocial

Development is BEST defined as

systematic changes and continuities from conception to death

The key element of the scientific method is the belief that ____ should determine the merits of an idea.

systematic observation

Which contributed MOST to the development of adolescence as a distinct period of the life-span in Western societies?

the need for an educated labor force

Professor Plumb is interested in the impact of fruit consumption on memory. He identifies a group of college students to serve as research participants. Then he randomly assigns them to one of three conditions. In condition 1 the students eat no fruit for a week. In condition 2, students eat 1 pound of fruit each day for one week. Those students assigned to condition 3 eat five pounds of fruit each day for one week. At the end of the week, Professor Plumb measures the student's memory recall for a list of 20 words. Given this description, Professor Plumb appears to be using a(n) ____ research technique.

experimental

Environmental impacts include all ____ that influence our development.

external physical and social conditions

Dr. Hart sets up an experiment to see which of three different methods of science instruction has the greatest effect on students' achievement as measured by a standardized, state-wide science test. In this study, instructional method is the ____ variable.

independent

Population is to sample as

many is to fewer.