Bright and Dark Fringes Are Seen on a Screen When

question 4

Multiple Choice

Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. Each bright fringe will shift to the location of the adjacent bright fringe if a thin film is placed in front of one of the slits. The minimum width of this film must be

• A) .
• B) .
• C) .
• D) .
• E) .

Understand the concept of sampling error and how sample size influences research accuracy and confidence intervals.

Familiarize with the role of probability and non-probability sampling techniques in ensuring representativeness in surveys.

Understand the importance and challenges of obtaining random samples in psychological research.

Grasp the concept and importance of response rates in survey research.

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Definitions:

Establishment Stage

The phase in a business or career development during which a foundation is built and stabilized, leading towards growth.

Horns Error

A bias in performance appraisals where a person is judged based on a single negative trait, impacting the overall assessment negatively.

Behaviorally Anchored Rating Scale

is a performance appraisal method that uses specific descriptions of employee behaviors to rate performance on a scale, providing a more objective and concrete evaluation.

Likert Scale

A psychometric scale commonly used in questionnaires to gauge attitudes or responses, where participants indicate their level of agreement with a statement along a linear scale.