Match the key word with the description. The answers can be found in Chapter 2 of
your textbook and the related lecture and module materials.
^informed consent
placebo effect
cross-sectional
observer bias
1. people's expectations or beliefs
influencing or determining their
experience in a given situation
2. process of informing a research
participant about what to expect
during an experiment, any risks
involved, and the implications of
the research, and then obtaining
the person's consent to participate
3. when observations may be skewed
to align with observer expectations
4. research compares multiple
segments of a population at a single
time