Describes nine experiments designed to illustrate different applied statistical problems or econometric techniques suitable for the first course in econometrics. Additional information and computer programs are available from the authors. (Author/RM)

Article discussed the relevance for educational research found in the Type 11 error, one identified as a correct rejection of a 2-tailed test of hypothesis followed by an incorrect directional decision. (Author/RK)

Discusses ways to avoid problems when developing and planning performance contracts. (JF)

Close examination of the influence of sex in the areas of schizophrenia, psychological testing, and sexual attitude and behaviors suggested that sex of E and S can influence results of research. This variable should be explicitly considered when designing experiments. Appropriate controls include using male and female Ss and Es. (Author)

Oriented to teaching graphic arts instructors how to reproduce a continuous tone original via the halftone process. (Editor)

The mini-experiment has the advantage of familiarizing students with the format of a quantitative study and serving as a model for their own written reports. (Author)

Presents experiments with a straight line seen for a short stimulus time in which the subjects perceived the line to lengthen from the point of fixation and then to shorten to the point of fixation immediately thereafter. (MB)

Argues that as well as obtaining a subject's informed consent a researcher is ethically obliged to furnish financial protection to research subjects. Discusses possible methods of insurance. (EB)

This paper presents validational evidence for the Group Therapy Questionnaire (GTQ), a self report instrument designed to detect leadership styles in group therapy. These studies suggest the potential value of the GTQ for investigations requiring measurement of leadership styles. (Author)