Dr Kang, a Cognitive Psychologist, Conducts an Experiment Examining the Effect

question 40

Multiple Choice

Dr. Kang, a cognitive psychologist, conducts an experiment examining the effect of emotion on memory. He provides lists of 15 words to two groups of participants at his university. He puts the names of all the participants in a hat. The first 20 names he assigns to Group A and the last 20 he assigns to Group B. Group A is given a list of words that are very emotional in content (e.g., passion, murder) . Group B is given a list of words that are neutral in content (e.g., houseplant, desk) . He then measures how many words each group is able to remember after being distracted for 5 minutes by watching a video about the history of the university. He finds that Group A remembers 15% more words than Group B.
If Dr. Kang decided against using random assignment, which of the following would be threatened?

• A)the covariance of the study
• B)the temporal precedence of the study
• C)the internal validity of the study
• D)the external validity of the study

Understand the importance of sample selection and representation in research studies.

Recognize the role of biological factors in behavior and mental processes.

Grasp the critical features and drawbacks of specific research methods and approaches in psychology.

Understand the basic definitions and types of options, including call and put options.

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Definitions:

Birth

The process of coming into life or entering the world, typically involving a transition from the womb to an independent existence outside.

Scaffolding

An educational approach involving providing supportive structures to students to accomplish tasks they might not complete independently.

Perceptual Abilities

The capacity to interpret, understand, and define sensory stimuli.

Sensory Systems

The parts of the nervous system responsible for processing information from the environment through senses such as sight, hearing, smell, taste, and touch.