Research design Psych

Which of the following is defined as a study in which a group of participants is selected from a population and data about or opinions from those participants are collected, measured, and analyzed. Information typically is gathered by interview or self-report questionnaire. If sampling is done correctly, the results may be generalized to the whole population.

• experiment

• survey

• direct observation

• case study

Which of the following is defined as a procedure for random sampling of a set of participants or units from a larger set that relies on the use of a chance process (like tossing a coin) to minimize risk of researcher bias, either conscious or nonconscious.

• generalizability

• conditions

• random selection

• random assignment

Which of the following is defined as a variable, other than the independent variable that you're interested in, that may affect the dependent variable.

• independent variable

• dependent variable

• confounding variable

• operational definition

This is an example of

• Positive Skew

• Negative Skew

• Positive Correlation

• Negative Correlation

Which of the following does NOT describe a case study?

• in-depth research

• uses respondents ranging from one to a small sample size of less than 10

• gathers relatively limited data

• made over a considerable period of time

A researcher who had a role in designing a new medication wants to promote it. She unconsciously suggests to those who took her medication that they are feeling better than those who took an alternative medication. This demonstrates which of the following phenomena?

• Confirmation bias

• Hindsight bias

• Experimenter bias

• Placebo effect

Tags

Statistics & Research Methods

In an experiment, the ___ variable is the one that is manipulated by the researcher.

• Independent

• Dependent

• Confounding

• Standard

Tags

Statistics & Research Methods

The group that does not receive the independent variable/receives a placebo is known as the...

• Experiment Group

• Dependent Group

• Independent Group

• Control Group

Involves studying different age groups at the same time to see changes that occur over the lifespan.

• Cross-sectional method

• Longitudinal method

• Survey

• Naturalistic observation

In a double-blind study:

• only the experimenter knows who is in the control and experimental groups

• only the subject knows who is in the control and experimental groups

• neither the experimenter nor the subject know who is in the control and experimental groups

• both the experimenter and the subject know who is in the control and experimental groups