Exam 2: How Psychologists Do Research

When the authors refer to psychologists as scientists, they mean that psychologists:

For his adult development class, Barry is systematically recording behaviours at an assisted-care facility, making sure that he doesn't interfere with the behaviours. Barry is engaged in:

When mental abilities are studied through cross-sectional methods, the results conflict with the findings from longitudinal studies. Explain the basic procedures in each type of study and then provide an example of why each method yields different results.

Which of the following correlations is the strongest?

The strongest relationship, as indicted by these correlation coefficients, is:

What makes psychological research scientific? Chapter 2 points out the importance of precision in the pursuit of knowledge. How does this principle of good science correspond to the critical thinking guideline "Define Your Terms," discussed in Chapter 1?

Meta-analysis combines and analyzes data from many studies, instead of assessing each study's results separately.

A researcher is interested in whether there is a relationship between musical ability and mathematical ability. The type of design best suited to this task would be a/an:

Theory is defined as:

Which descriptive method would be most appropriate for studying changes in behaviour following a rare brain disorder?

A researcher hypothesizes that adults will respond differently to the same baby depending on how the child is dressed. Her colleague, on the other hand, hypothesizes that boys and girls are treated equally and that only temperamental differences lead to differences in their handling. Design a research study to test their hypotheses. Provided a detailed explanation of how this study would be conducted.

When Becky takes a personality test, she is told that the test has been judged to have content validity, that is:

An advantage of the laboratory observation is that it allows the use of sophisticated equipment.

Greg is given a vocational-interest test and then retakes the same test a week later. The psychologist is measuring the ________ of the test.

Descriptive methods, such as case studies, are useful when researchers are:

An experiment is a controlled test of a hypothesis in which the researcher manipulates one variable to discover its effect on another.

Most personality and intelligence tests on the internet and in magazines are:

Procedures used to measure and evaluate personality traits, emotional states, aptitudes, and values are called:

The dependent variable depends on the independent variable.

An advantage of observational studies is that: