A _________ is a statistical relationship between two variables, such that knowing one of the
variables makes it possible to predict the other. Correct Answer-correlation
Between now and 2050, what will the increase in population in the United States be nearly
entirely due to? Correct Answer-Immigration
The ______ variable is the variable that is different for the experimental group than for the
control group. The _______ variable is the outcome that is measured to calculate the results
of the experiment. Correct Answer-Independent, dependent
Observational methods have an advantage over questionnaires and interviews in that they
involve... Correct Answer-actual behavior rather than self reports of behavior.
Individuals from collectivist cultures would be most likely to value... Correct Answer-
getting along with their family members
What term is often used to define a persons social class, which includes education level,
income level, and occupational status? Correct Answer-Socioeconomic status
, Exam-HDFS Test with Complete Solutions 100% Solved
According to the text, for most of history, the human population was under... Correct
Answer-10 million
The human population began to increase noticably around 10,000 years ago. What has been
hypothesized for the increase in population around that time? Correct Answer-The
development of agriculture and the domestication of animals.
The scientific method involves 5 basic steps Correct Answer-Identify a question to be
investigated, form a hypothesis, chose a research method, collect data to test the hypothesis,
and draw conclusions.
A ________ means that when one variable increases, the other increases as well. A ________
means that when one variable increases, the other decreases. Correct Answer-positive
correlation, negative correlation
According to Freud, when did everything important developmentally occur? Correct
Answer-before adulthood