Ch. 2 Psychological Research

Which correlation coefficient best represents a moderate relationship showing fewer anxiety symptoms in people who report higher life satisfaction?

-0.5

Which of the following is NOT a characteristic of a good hypothesis? A. It is falsifiable B. It can be tested using empirical methods C. It is complex D. It is an if-then statement

C. It is complex

Dr. Mattar is interested in knowing more about brain injury to the occipital cortex, and he studies patients individually in order to gain in-depth knowledge about their behaviors. These studies would best be described as ________.

Case studies

Question text Which of the following research designs will allow cause-and-effect conclusions?

Experimental

Spurling et al. investigated the effects of two vocabulary learning strategies on word retention two weeks later. In this example, learning strategy is the ________ variable and word retention is the ________ variable.

Independent; dependent

A group of preschool-age children are enrolled in a study that plans to follow them over time in order to assess behaviors and other characteristics that may predict later development of schizophrenia. This is an example of a/an ________ design.

Longitudinal

Patwardhan et al. report data from a study where they hired experimental confederates to attend speed dating events, posing as daters, and carefully take notes on the behaviors of the daters. What type of research design did they use?

Naturalistic observation

Psychological knowledge is advanced through a process known as ________, which involves a prescribed series of steps designed to achieve the desired knowledge.

The scientific method