When researchers require participants to prepare a public speech to indirectly alter their anxiety, why do they subsequently measure physiological indicators like blood pressure or administer self-report questionnaires?

A psychology researcher is investigating the link between stress and memory. To ensure their experiment is valid, they check their stress induction. Match each element of this process to its correct role in the study.

A researcher is conducting a study to determine if stress influences short-term memory. Arrange the experimental steps in the logical order required to implement and verify the stress induction before measuring the primary outcome.

In a research study where participants prepare a public speech to induce stress, if a subsequent measurement of blood pressure shows no significant difference between the 'speech' group and the 'control' group, the researcher can no longer validly conclude that any differences in the participants' memory scores were caused specifically by the internal state of stress.

According to the concept of a stress manipulation check, which of the following is a self-report method used to verify that a participant experienced the intended level of stress?

In a psychology experiment using a public-speaking task to induce stress, a manipulation check is considered unnecessary as long as the researcher confirms that every participant followed the instructions and completed the speech task.

A researcher uses a public-speaking task to induce stress but finds that the manipulation check (e.g., measuring blood pressure) shows no difference between the experimental and control groups. Based on this evidence, the researcher must evaluate the stress induction as _____.